Remarriage is often a deliberate choice made with more life experience, more clarity, and more at stake than a first marriage. Many people entering a second marriage already own a home, have built retirement savings, run a business, or receive or pay alimony. Most importantly, many have children from a prior relationship whose financial future depends on decisions made now.
Florida law was not designed with blended families specifically in mind. Its default rules for dividing property in a divorce and distributing an estate at death apply the same way whether a couple is marrying for the first time at 25 or the second time at 60. In a blended family, those default rules can produce results that neither spouse intended, including a surviving spouse inheriting assets that were meant for children from a first marriage, or children from a first marriage holding rights in a home where a stepparent still lives.
A prenuptial agreement allows a couple to replace those default rules with a plan that reflects their actual wishes. For second marriages, the agreement often does as much work at death as it does at divorce. Below is a closer look at why prenups are especially valuable for blended families in Florida and what couples should address before the wedding.
Why Are Second Marriages Different From First Marriages?
The financial profile of a second marriage usually looks very different from that of a first. Couples marrying for the first time often start with modest assets and build wealth together. People remarrying tend to bring established assets into the marriage, along with established obligations.
Those assets may include a home purchased during or after the first marriage, retirement accounts that have grown for decades, an ownership interest in a business, an inheritance, or proceeds from a prior divorce settlement. Obligations may include alimony, child support, debt, or commitments made in a prior marital settlement agreement, such as maintaining life insurance for a former spouse or children.
There are also more people with a stake in the outcome. In a first marriage, the spouses and their shared children are usually the only interested parties. In a blended family, there may be children from each spouse’s prior relationships, children born to the new couple, a former spouse with enforceable rights, and sometimes aging parents who depend on one of the spouses.
Each of those relationships creates the potential for conflict if the marriage ends through divorce or death. Adult children may worry that a new stepparent will inherit the family home. A new spouse may worry about being left without housing if the other spouse dies first. A spouse paying alimony may want certainty that marital funds will not be tied up in disputes with a former spouse. A prenup gives the couple a chance to address each of these concerns directly, in writing, while everyone is on good terms.
What Happens to Your Estate in Florida Without a Prenup?
Many people assume their will controls where their property goes when they die. In Florida, a surviving spouse has several rights that can override a will, and those rights frequently catch blended families off guard.
The Elective Share
Under Florida’s elective share statute, a surviving spouse is generally entitled to 30 percent of the deceased spouse’s elective estate, regardless of what the will says. The elective estate is broader than the probate estate. It can include revocable trust assets, jointly held property, payable-on-death and transfer-on-death accounts, and certain retirement accounts.
For a parent who has carefully drafted a will or trust leaving everything to children from a first marriage, the elective share can significantly reduce what those children receive. A second spouse of only a few years can elect to take 30 percent of the estate even if the will leaves them nothing.
Intestate Succession
If a person dies without a will, Florida’s intestacy statute determines who inherits. When the deceased spouse has descendants who are not also descendants of the surviving spouse, which is common in blended families, the surviving spouse receives one-half of the intestate estate. The other half passes to the deceased spouse’s descendants. That split may not match what either spouse would have chosen.
The Pretermitted Spouse Rule
Many people remarry without updating a will they signed years earlier. Under Florida law, if a person marries after signing a will and the will does not provide for the new spouse, the new spouse may be entitled to receive the share they would have received if the person had died without a will. This is known as the pretermitted spouse rule. It does not apply if the spouse waived those rights in a valid prenuptial agreement or was otherwise provided for.
Other Spousal Rights
A surviving spouse may also be entitled to a family allowance, exempt property such as household furnishings and vehicles, and a preference to serve as personal representative of the estate. In a blended family, having a stepparent serve as personal representative can create tension with adult children who are beneficiaries.
Each of these rights can be waived in a prenuptial agreement that satisfies section 732.702 of the Florida Statutes. The waiver must be in writing and signed in the presence of two subscribing witnesses. When the waiver is signed before marriage, no financial disclosure is required for the estate waiver to be valid, although full disclosure is still strongly advisable for the rest of the agreement.
How Does Florida Homestead Law Affect Blended Families?
Homestead is one of the most important and least understood issues for remarried couples in Florida. The Florida Constitution restricts how a homeowner can leave their primary residence at death when they are survived by a spouse or a minor child.
If a homeowner is survived by a spouse and no minor children, the homeowner can generally leave the homestead only to the spouse. If the homestead is left to anyone else, such as adult children from a first marriage, the attempted gift is invalid. In that situation, Florida law gives the surviving spouse a life estate in the home, with the remainder passing to the deceased spouse’s descendants. Alternatively, the surviving spouse may elect, within a limited period after the death, to take an undivided one-half interest in the home as a tenant in common with the descendants.
Consider a common scenario. A widower owns a home in South Tampa that he intends to leave to his two adult children. He remarries and moves his new wife into the home, but does not sign a prenup or homestead waiver. When he dies, his will leaves the house to his children. Because of Florida’s homestead restrictions, his wife may be entitled to live in the home for the rest of her life, and his children may not be able to sell it or move in until after she dies.
The life estate arrangement also divides financial responsibilities in ways that can create conflict. The life tenant is generally responsible for ordinary expenses such as taxes and routine maintenance, while the remaindermen may bear responsibility for certain other costs. Stepparents and stepchildren who did not have a close relationship can find themselves tied together in co-ownership for years.
A prenuptial agreement with a valid homestead waiver prevents this outcome. The couple can decide in advance whether the surviving spouse will have the right to remain in the home for a set period, receive a sum of money instead, or have no interest in the home at all. Many couples choose a middle ground, such as allowing the surviving spouse to stay in the home for a year or two while arranging new housing.
How Can a Prenup Protect Children From a Prior Marriage?
A prenup does not transfer property to children by itself. What it does is preserve the ability of each spouse to leave property to whomever they choose, and it establishes the framework that the rest of the estate plan will carry out.
Preserving Separate Property
The starting point is identifying and protecting each spouse’s nonmarital property. Under Florida’s equitable distribution law, property owned before the marriage is generally nonmarital. However, nonmarital property can lose its protected status or gain a marital component through commingling, the use of marital funds, or the efforts of either spouse during the marriage.
A prenup can specify that premarital assets, their income, and their appreciation remain separate regardless of how they grow. That protection preserves the assets a parent intends to leave to children from a prior relationship.
Coordinating the Estate Plan
The prenup should work together with each spouse’s will, revocable trust, and beneficiary designations. For example, a prenup might require each spouse to maintain a trust that leaves certain assets to their own children, or it might require a specific bequest to the surviving spouse in exchange for waiving the elective share.
A common approach for blended families is a trust that provides for the surviving spouse during their lifetime, such as income from certain assets or the right to live in the home, and then passes the remaining assets to the children of the first spouse to die. This structure lets a spouse care for their new partner without disinheriting their own children. A Tampa estate planning attorney and a Tampa family law attorney often collaborate to make sure the trust terms and the prenup terms match.
Life Insurance
Life insurance is one of the most useful tools in blended family planning. A prenup can require one or both spouses to maintain a policy for the benefit of the other spouse, their children, or both. Life insurance can provide for a surviving spouse without reducing the inheritance set aside for children, or it can provide an inheritance for children while other assets go to the spouse.
Some people entering a second marriage already have life insurance obligations under their prior divorce judgment. The prenup should account for those existing obligations so the new spouse understands them and does not expect to receive those proceeds.
Family Businesses and Heirlooms
A parent who owns a business may want it to pass to children who work in the company, or may want to prevent a stepparent from becoming a co-owner. A prenup can confirm that the business remains nonmarital, that its growth stays separate, and that the surviving spouse will not receive an ownership interest. The agreement can be coordinated with a buy-sell agreement or operating agreement for added protection.
Family heirlooms, jewelry, and personal items with sentimental value are another frequent source of conflict. A prenup can confirm that specific items belong to one spouse and are intended for that spouse’s children.
What About Retirement Accounts and Federal Law?
Retirement accounts deserve careful attention because they are often the largest asset a remarried spouse owns, and they are governed by a combination of state and federal law.
Many employer-sponsored plans, including pensions and many 401(k) plans, are subject to ERISA, a federal law that gives a spouse certain survivor rights. Under these rules, a married participant generally cannot name someone other than their spouse as the primary beneficiary of those rights unless the spouse consents in writing, with the consent witnessed by a notary or plan representative.
The complication for prenups is that a person who signs a prenup before the wedding is not yet a spouse. Federal regulations and case law have generally held that a waiver signed before marriage does not satisfy ERISA’s spousal consent requirements. For that reason, well-drafted prenups typically include a promise by each spouse to sign the plan’s official spousal consent forms after the wedding. Couples should complete those forms promptly once they are married.
IRAs are not governed by ERISA in the same way, so beneficiary designations on IRAs generally control. However, IRA assets can still be included in the Florida elective estate, which is why an elective share waiver in the prenup remains important.
Divorce also raises retirement issues from the prior marriage. Florida law generally revokes a former spouse’s beneficiary designation on many nonprobate assets after a divorce, but federal preemption can override that rule for ERISA plans. Anyone remarrying should confirm that all beneficiary designations reflect current wishes rather than relying on automatic revocation.
How Do Existing Alimony and Child Support Obligations Fit In?
People who remarry often bring ongoing support obligations with them, and a prenup can help both spouses understand and plan around those commitments.
When One Spouse Pays Alimony
If one spouse is paying alimony to a former spouse, the new spouse may worry that their income or assets could become involved. Under Florida law, a new spouse’s income is generally not treated as the paying spouse’s income for purposes of alimony, although a new spouse’s contributions to household expenses can become relevant in limited ways. A prenup can confirm that existing obligations will be paid from the paying spouse’s separate funds, that the new spouse is not responsible for them, and how any modification proceeding with the former spouse will be handled financially.
Florida’s 2023 alimony reform, which eliminated permanent alimony and added new rules around retirement and modification, has changed the planning landscape for many payors. A Tampa alimony lawyer can help evaluate how an existing award may change in the coming years and how that should be reflected in the new couple’s financial plan.
When One Spouse Receives Alimony
Remarriage generally ends a former spouse’s right to receive alimony under Florida law. That is a significant financial change for someone who has relied on support payments, and it should be considered when negotiating the new prenup. A person giving up alimony by remarrying may reasonably want some financial protection in the new marriage in return. A Florida alimony attorney can help quantify what is being given up so it can be addressed fairly in the negotiations.
Spousal Support in the New Marriage
The couple should also decide how spousal support will work if the new marriage ends. Florida law allows couples to set, limit, or waive alimony in a prenup, subject to the rule that a waiver cannot leave a spouse eligible for public assistance. For remarried couples, alimony terms are often tied to the length of the marriage, such as no support for a marriage under five years and a defined amount for longer marriages. An alimony lawyer in Tampa can help draft terms that account for the ages, health, and earning capacity of both spouses.
Child Support
Child support from a prior relationship is owed to the children, and nothing in a new prenup can reduce it. A prenup can, however, clarify that these payments come from the paying spouse’s separate income and that the new spouse is not responsible for them. Under Florida law, a stepparent generally has no legal duty to support stepchildren unless they adopt them, but a prenup can still clarify expectations about household expenses and voluntary contributions.
What Can a Prenup Not Do for Your Children?
It is equally important to understand the limits of a premarital agreement in a blended family.
A prenup cannot reduce or waive child support for any child, whether from a prior relationship or born during the new marriage. Florida’s premarital agreement statute expressly prohibits provisions that adversely affect a child’s right to support.
A prenup also cannot decide parental responsibility or time-sharing. Those decisions are made by a court based on the child’s best interests at the time of any dispute. A prenup cannot give a stepparent enforceable time-sharing rights with stepchildren, and it cannot override the rights of a child’s other parent.
Finally, a prenup cannot bind a former spouse. If a prior divorce judgment requires certain life insurance, alimony, or property transfers, those obligations remain in place regardless of what the new prenup says. The prenup should be drafted around those existing obligations rather than in conflict with them.
How Do You Keep Separate Property Separate After the Wedding?
A prenup protects nonmarital property only if the couple’s conduct during the marriage is consistent with the agreement, or if the agreement is drafted to override that conduct.
Commingling is the most common way separate property becomes marital. Depositing an inheritance into a joint account, adding a new spouse’s name to the deed of a premarital home, or using marital earnings to pay the mortgage on a nonmarital property can all create marital interests under Florida law. Florida courts use a formula to determine the marital portion of a nonmarital home when marital funds are used to pay down the mortgage, and the result can be substantial after a long marriage.
A well-drafted prenup can address these issues directly. It can provide that mortgage payments from marital income do not create a marital interest, that adding a spouse’s name to an account does not convert it to marital property unless the agreement is amended, or that each spouse will be reimbursed for contributions to the other’s separate property.
Even with those protections, practical habits matter. Many remarried couples maintain separate accounts for premarital assets and a joint account for shared household expenses. Keeping clear records of the source of funds for major purchases reduces the risk of disputes later.
Why Should You Update Beneficiary Designations and Estate Documents?
A prenup establishes rights, but other documents actually transfer assets. Many blended family disputes arise because a prenup and an estate plan say different things.
After signing a prenup and marrying, each spouse should review their will, revocable trust, life insurance beneficiary designations, retirement account designations, and payable-on-death or transfer-on-death accounts. Deeds should also be reviewed to confirm how real property is titled.
Florida’s rules revoking a former spouse’s designations after divorce do not apply to every asset, and federal law may override them for certain plans. A designation naming a former spouse that was never updated can send proceeds to the wrong person, and correcting that mistake after death can be expensive or impossible.
Couples should also consider whether assets should be titled jointly with rights of survivorship. Joint titling can be convenient, but it can also cause assets to pass to the surviving spouse outright, bypassing children from a prior relationship entirely.
How Should Couples Plan for Incapacity and Long-Term Care?
Second marriages often occur later in life, which makes planning for incapacity just as important as planning for death. If a spouse becomes unable to manage their own affairs, questions arise about who makes medical decisions, who manages finances, and how long-term care will be paid for.
Florida allows individuals to name a health care surrogate, sign a durable power of attorney, and designate a preneed guardian. In a blended family, a person may prefer that an adult child rather than a new spouse make certain decisions, or may want both involved. These choices should be coordinated with the prenup so that the agent’s authority does not conflict with property rights established in the agreement.
A prenup can also address how the cost of long-term care will be paid, whether each spouse’s separate assets will be used for their own care, and what happens to the other spouse’s financial security if significant care costs arise.
How Should Couples Approach the Prenup Conversation?
Raising a prenup can feel uncomfortable, but remarried couples often find the conversation easier than first-time couples do. Both partners usually understand from experience what happens when finances are not planned in advance.
Framing the agreement around shared goals helps. Most blended family prenups are not about distrust between spouses. They are about making sure each partner’s children are provided for, the surviving spouse has security, and the family avoids conflict after a death or divorce.
It can also help to involve adult children appropriately. Some couples choose to tell their adult children that a plan is in place, without sharing every detail. Knowing that a parent has addressed the family home or a business can reduce anxiety and prevent friction between stepchildren and a stepparent.
What Makes a Blended Family Prenup Enforceable?
The same rules that govern every Florida prenup apply to second marriages. Under section 61.079, the agreement must be in writing and signed by both parties. It can be set aside if it was not signed voluntarily, was the product of fraud, duress, coercion, or overreaching, or was unconscionable when signed and was not accompanied by fair disclosure or an adequate understanding of the other spouse’s finances.
Several practices strengthen enforceability. Each spouse should have their own attorney. The agreement should be presented and signed well before the wedding rather than days before the ceremony. Complete financial disclosures, including assets, debts, income, and existing obligations to former spouses and children, should be exchanged and attached to the agreement.
Because blended family prenups usually include estate waivers, the signing should also satisfy the two-witness requirement of section 732.702. Having the agreement signed before two witnesses and a notary covers both the premarital agreement statute and the probate code.
What If You Are Already Remarried?
Couples who have already married without a prenup still have options. Florida courts enforce postnuptial agreements that meet applicable legal standards, and a postnup can address many of the same issues, including separate property, spousal support, and estate rights.
The main difference involves estate waivers. When a spouse waives elective share, homestead, or other inheritance rights after marriage, Florida law requires each spouse to make a fair disclosure of their estate. Postnups are also sometimes viewed with greater scrutiny because the parties are already in a confidential relationship when they negotiate.
For couples who remarried years ago and never updated their planning, a postnup combined with a comprehensive estate plan review can close gaps that would otherwise leave children or a spouse unprotected.
Why Work With a Tampa Prenuptial Agreement Lawyer?
Blended family prenups sit at the intersection of family law, probate law, and federal retirement law. A template or a do-it-yourself agreement is unlikely to address homestead restrictions, the elective share, ERISA consent requirements, and existing obligations from a prior divorce judgment.
An experienced Tampa prenuptial agreement lawyer can identify how Florida’s default rules would apply to your family, explain what each spouse is giving up and receiving, and draft an agreement that coordinates with your estate plan. A prenup attorney in Tampa can also help ensure the signing process meets the formal requirements for both the divorce provisions and the estate waivers, so the agreement is effective in every situation it is meant to cover.
For the spouse being asked to sign, independent counsel ensures they understand the rights they may be waiving, such as the right to remain in the family home or to receive a share of the estate, and can negotiate fair protections in return. For the spouse requesting the agreement, careful drafting helps ensure their children receive what was intended.
Frequently Asked Questions About Prenups in Second Marriages
Can my new spouse inherit my house instead of my children?
Without a waiver, possibly. Florida’s homestead laws can prevent you from leaving your primary residence to your adult children if you are survived by a spouse, often giving the spouse a life estate in the home. A valid homestead waiver in a prenup allows you to leave the home to your children or to structure a different arrangement.
Does a prenup replace my will or trust?
No. A prenup establishes the rights each spouse has and waives, but your will, trust, and beneficiary designations actually transfer your assets. The documents should be coordinated so they say the same thing.
Can a prenup waive my spouse’s elective share?
Yes. Florida allows a spouse to waive the elective share, homestead rights, and other inheritance rights in a prenuptial agreement. The waiver must be in writing and signed in the presence of two subscribing witnesses to be valid.
Can a prenup protect my 401(k) for my children?
Partly. Many 401(k) and pension plans are governed by federal law, which requires a spouse’s consent after marriage to waive survivor rights. Most prenups include a promise to sign the required plan consent forms after the wedding, and couples should complete those forms promptly.
Will my new spouse have to help pay my child support or alimony?
Generally, no. A new spouse’s income is not typically treated as the paying spouse’s income for support purposes. A prenup can also confirm that existing obligations will be paid from the paying spouse’s separate funds.
Does remarrying end my alimony?
In most cases, yes. Under Florida law, remarriage generally terminates a former spouse’s right to receive alimony. Anyone receiving support should understand this before remarrying and may want to account for it when negotiating a new prenup.
Can a prenup give my new spouse rights to see my children if I die?
No. A prenup cannot determine time-sharing or custody, and it cannot override the rights of your children’s other parent. Those matters are decided based on the children’s best interests and applicable law at the time.
We are already married. Is it too late?
No. Florida courts enforce postnuptial agreements that meet legal requirements, and they can address many of the same issues as a prenup. Estate waivers signed after marriage require fair financial disclosure, so full transparency is essential.
Plan Now to Protect Your Spouse and Your Children
A second marriage is a fresh start, but it does not erase the commitments that came before it. A carefully drafted premarital agreement allows you to provide for your new spouse, protect your children from a prior relationship, and reduce the likelihood of conflict between the people you care about most. If you are remarrying or have already remarried without a plan in place, speaking with a Florida prenuptial agreement attorney is the most reliable way to make sure your intentions are carried out.
Written by Damien McKinney, Founding Partner
Damien McKinney is the Founding Partner of The McKinney Law Group Family & Divorce Lawyers, bringing nearly two decades of experience to complex marital and family law matters. He is licensed in both Florida and North Carolina and has been repeatedly recognized as a Rising Star by Super Lawyers.