The Ground Has Shifted Under Florida Prenuptial Agreements
When Florida Governor Ron DeSantis signed SB 1416 into law in 2023, the change made national headlines: Florida became the largest state in the country to abolish permanent alimony. For divorcing couples who had spent years — sometimes decades — operating under the assumption that lifetime support was a real legal possibility, the law rewrote the rules overnight.
What received far less attention, however, was the downstream effect on prenuptial agreements. Specifically: if permanent alimony no longer exists in Florida, what happens to the prenup clauses that were designed to waive or limit it? And if you are drafting a prenup today, how do you account for a support landscape that looks fundamentally different than it did just a few years ago?
These questions sit at the intersection of contract law, family law, and legislative history. They are not theoretical. Couples getting married in Tampa right now are signing prenuptial agreements without fully understanding that the legal terrain those agreements were built to navigate has changed. Some existing prenups may now do more than their signers intended. Others may have gaps that were never anticipated. And for anyone in the middle of a divorce with a signed prenup in hand, the interplay between that document and the new alimony statute could be the most consequential legal issue in the case.
This piece walks through what SB 1416 actually did, how those changes ripple into prenuptial agreements, and what the practical consequences are for couples at every stage, from engagement to dissolution.
What SB 1416 Actually Changed
To understand the prenup implications, you first need a clear picture of what the law altered.
Before SB 1416, Florida’s alimony statute allowed courts to award several types of support, including permanent alimony. Permanent alimony was exactly what it sounds like: an ongoing obligation that lasted until the recipient remarried or either spouse died. Courts awarded it most frequently in long-term marriages where one spouse had spent years out of the workforce, where there was a significant income disparity, or where the recipient spouse had limited earning potential due to age or health.
SB 1416 eliminated that category entirely. Under the current statute, the longest form of alimony available is durational alimony, which caps out at 50% of the length of the marriage for marriages of 20 years or more. For shorter marriages, the caps are even tighter. The law also established a presumption against alimony in marriages lasting fewer than three years and codified a list of specific factors courts must weigh when calculating both amount and duration.
The law also addressed modification standards, retirement, and cohabitation in ways that further limited a supported spouse’s long-term financial security.
In short: the ceiling dropped. For someone who would have received permanent alimony under the old statute, the maximum support they can now receive is both time-limited and formula-adjacent. That is a material change to the risk profile of marriage in Florida, and it changes the calculus around prenuptial agreements in ways that are only beginning to be worked through in courtrooms and law offices.
Why Prenuptial Agreements and Alimony Reform Are Inseparable
Prenuptial agreements in Florida are governed by the Florida Premarital Agreement Act, codified at Chapter 61 of the Florida Statutes. Under that framework, prospective spouses can contract about a wide range of financial matters, including the rights and obligations of each party with respect to spousal support.
Specifically, a valid Florida prenup can:
- Waive alimony entirely, so that neither party owes support to the other upon divorce
- Cap alimony at a specific dollar amount or duration
- Tie alimony to the length of the marriage or to specific triggering events
- Structure alimony differently than a court would under the default statutory framework
For years, one of the primary reasons couples worked with a Tampa alimony lawyer to draft a prenuptial agreement was to control or eliminate the permanent alimony exposure. A high-earning spouse, a business owner, or a professional with significant income potential would often seek to limit their worst-case alimony scenario. Their attorney would structure language that capped or eliminated the possibility of lifetime support.
Now that lifetime support is off the table anyway, those clauses carry different weight. In some cases, they may be redundant. In others, they may still do meaningful work. And in a small but important category of cases, they may interact with the new statute in ways that were never anticipated.
When an Existing Alimony Waiver Does More Than You Expected
Consider a prenuptial agreement signed in 2015 that contains a complete waiver of alimony. At the time it was signed, that waiver eliminated exposure to both permanent and durational alimony. The parties negotiated with permanent alimony as the ceiling of the risk they were contracting around.
Now that permanent alimony no longer exists, the waiver still eliminates durational alimony, which is now the maximum support available. So the net effect of the waiver is unchanged in practical terms: neither spouse can seek alimony. But there is a conceptual shift worth noting. The waiver was negotiated in a world where the stakes were higher. Whether that matters legally depends on whether either party can argue the agreement was made under materially different assumptions, and that the change in law constitutes grounds to revisit the contract.
Florida courts have generally been reluctant to rewrite prenuptial agreements based on changed circumstances, particularly when the underlying contract language is unambiguous. A waiver is a waiver. But sophisticated litigants and their alimony attorneys in Florida will certainly test these arguments in the coming years, particularly in long-term marriages where one spouse gave up substantial support rights based on a permanent alimony regime that no longer exists.
If you have a prenup with a complete alimony waiver, it almost certainly remains enforceable. But if you are the spouse who waived support rights, you should understand that the world you waived into looks different than it did when you signed.
When an Existing Alimony Cap May Now Be Redundant
A different category of prenup language involves caps rather than complete waivers. An agreement might say, for example, that alimony will not exceed a certain monthly amount or that it will not extend beyond a certain number of years regardless of the marriage length.
If the marriage was short to mid-length, the durational caps in SB 1416 may already put the statutory ceiling below what the prenup cap contemplated. In that case, the contractual cap is largely moot. The statute does the work the parties thought they needed a contract to do.
This is not necessarily a problem, but it is worth examining. A couple who spent significant time and legal fees negotiating a specific alimony cap may find that the legislature has rendered that language largely ornamental. Conversely, in a long marriage, the prenup cap may still serve an important function if the contractual limit is lower than the 50% durational maximum the statute now allows.
Any Florida family law attorney reviewing an existing prenup should map the contractual terms against the current statute and identify which provisions still do independent legal work and which ones have been overtaken by events.
Drafting Prenups in the Post-SB 1416 Environment
For couples entering prenuptial agreements today, the changed alimony landscape creates both opportunities and new considerations.
The Floor Is Not as High as It Used to Be
Under the old law, failing to address alimony in a prenup meant leaving open the possibility of permanent lifetime support. That exposure drove many couples to address alimony proactively, even when the topic felt uncomfortable. Under the new law, the worst-case statutory scenario is capped durational alimony, not lifetime support. This may reduce the urgency some clients feel about including alimony provisions at all.
That said, the decision to omit alimony language from a prenup is still a meaningful choice. Durational alimony can still represent a substantial financial obligation, particularly in long marriages with wide income disparities. A professional working with a Tampa alimony lawyer or a Florida alimony attorney to draft a prenup should still model out what durational alimony would look like under the statute and decide deliberately whether to contract around it.
Specificity Matters More Now
Before SB 1416, courts had broader discretion in alimony determinations. The statute now imposes more structure, including specific factors and presumptions. Prenup drafters should understand that the contractual provisions will be interpreted against this more regimented statutory backdrop. Language that was flexible enough to work in the old environment may need to be more precisely calibrated today.
For example, a prenup that says alimony will be governed by “applicable Florida law” without further specification now incorporates the SB 1416 framework by reference. Whether that is what the parties intended should be discussed explicitly.
Sunset Provisions and Review Clauses
Given how dramatically alimony law changed in Florida, couples and their attorneys should consider whether prenuptial agreements should include sunset or review provisions that trigger a revisit of the alimony terms if relevant law changes materially. This is not common practice, but the SB 1416 experience illustrates why it might be worth considering.
Addressing the Retirement Presumption
SB 1416 created a rebuttable presumption that alimony terminates when the paying spouse reaches normal retirement age. For younger couples, this is a distant consideration. For couples where one spouse is significantly older or where retirement plans are already taking shape, this provision should inform how alimony is addressed in the prenup. A contract that runs to a specific age or that incorporates retirement as a termination trigger needs to be written carefully to interact correctly with the statutory presumption.
Enforceability Challenges: What Has Changed and What Has Not
The standard enforceability framework for Florida prenups has not been altered by SB 1416. An agreement remains vulnerable to challenge if:
- It was not executed voluntarily
- The challenging party was not provided fair and reasonable disclosure of the other party’s financial obligations and property
- The challenging party was not represented by independent counsel, or there was an imbalance in the negotiation that rises to a level of procedural unfairness
What SB 1416 does is change the context in which a court evaluates whether an alimony waiver is unconscionable at the time of enforcement. Florida courts assessing unconscionability look at circumstances as they exist when enforcement is sought, not just when the agreement was signed. The elimination of permanent alimony as a statutory option narrows the gap between what the statute would have provided and what the contract provides. In most cases, this makes prenup alimony waivers easier to enforce, not harder, because the baseline has moved down.
However, the unconscionability analysis is fact-intensive, and courts retain discretion. An alimony attorney in Tampa handling a contested prenup case will need to carefully analyze the specific facts, the length of the marriage, the relative financial positions of the parties, and whether the waiving spouse is left with any means of self-support.
Common Scenarios Where the Intersection Matters Most
Long-Term Marriages With Old Prenups
This is the most legally complex scenario. A couple married in 2005 with a prenup waiving alimony is now divorcing after 20 years. The spouse who waived alimony was out of the workforce for a decade raising children. Under the old law, that spouse would have had permanent alimony as a baseline against which to measure what they gave up. Under the new law, the baseline is capped durational alimony, which is still significant but not lifetime support.
The spouse who waived may argue the agreement is unconscionable given the length of the marriage and their financial situation. The enforcement analysis is the same, but the comparator has changed. A court evaluating whether the waiver leaves the spouse without means of support will be doing so in a world where the statute itself now provides less than it once did.
Pre-Engagement Planning for High-Net-Worth Couples
For a high-income professional or business owner in Tampa getting married today, the post-SB 1416 environment changes the prenup negotiation somewhat. The maximum downside exposure under the statute is more predictable than it was before. That predictability can make it easier to have a frank conversation about whether and how to contract around statutory alimony, because both parties can model the range more clearly.
Working with an experienced alimony lawyer in Tampa to run those projections before drafting begins leads to smarter contracts. The negotiation becomes less about avoiding a speculative worst case and more about fine-tuning the allocation of known risks.
Second Marriages Later in Life
For couples marrying later in life, often with established assets, existing obligations to children from prior relationships, and retirement on the horizon, the SB 1416 retirement presumption makes prenup planning especially important. An alimony obligation that terminates at normal retirement age under the statute may still need to be explicitly addressed in the prenup to avoid ambiguity, particularly if there are unique facts around one spouse’s retirement timeline.
The Strategic Value of Getting Legal Advice Before You Draft
One pattern that creates recurring problems is couples who draft prenuptial agreements without understanding the legal environment in which those agreements will operate. A prenup is not a simple form. It is a contract that interacts with a complex and evolving statutory framework, and the interaction points matter.
SB 1416 is a clean example of this. A couple who signed a prenup in 2019 with careful attention to the permanent alimony risk is now living with a contract that was designed for a legal world that no longer exists. That does not mean the contract fails. In most cases it will still work as intended. But the parties and their attorneys should understand how it functions under the current law, not the law in effect when it was signed.
For couples not yet married, the lesson is that the prenup should be drafted by a Florida family law attorney who understands current law, anticipates likely directions of future change, and builds the agreement to be durable across a range of circumstances. A generic template or an agreement drafted without proper counsel is unlikely to account for nuances like the retirement presumption, the new durational caps, or the interaction between contractual alimony limits and the statutory framework.
For couples already married with an existing prenup, a legal review in light of SB 1416 is worth the investment. Knowing exactly what your agreement does and does not do under current law is basic due diligence, particularly if the marriage is long and the financial disparities are significant.
What Courts Will Be Watching
Florida courts have not yet developed a substantial body of case law interpreting prenuptial agreements against the SB 1416 background. The law is recent enough that most of the relevant marriages are still intact or in early stages of dissolution. Over the next several years, courts will be working through:
- Whether old alimony waivers are enforceable when the waiving spouse argues changed circumstances based on the statutory shift
- How to evaluate unconscionability in a post-permanent-alimony world
- Whether retirement-based termination in a prenup interacts cleanly with the statutory presumption or creates ambiguity
- How courts treat prenup provisions that reference “permanent alimony” by name when that category no longer exists in the statute
Practitioners advising clients in Tampa and across Florida should be watching these developments carefully. The first wave of contested prenup enforcement cases post-SB 1416 will establish important precedents.
FAQ
Does Florida’s elimination of permanent alimony affect whether my prenup is still valid?
In most cases, the elimination of permanent alimony does not invalidate an existing prenuptial agreement. Florida courts generally enforce prenup language as written, and a waiver of alimony remains a waiver regardless of what the statutory baseline looks like. The more nuanced question is whether the changed statutory landscape affects an unconscionability argument, which courts evaluate based on circumstances at the time of enforcement. If you have an older prenup with alimony provisions, a review by a Florida family law attorney is the best way to understand exactly what it does under current law.
If my prenup waived alimony before SB 1416 passed, do I still have any rights to support?
A valid alimony waiver in a prenup generally eliminates statutory alimony rights, whether under the old law or the new one. However, enforceability depends on how the agreement was executed, whether there was adequate financial disclosure, and whether the waiver is unconscionable given the circumstances of the marriage and the current financial positions of both parties. A complete waiver in a very long marriage where one spouse has no meaningful income or earning capacity may face a harder look from a court than it would have a decade ago, simply because the statutory baseline has shifted. Speaking with a Tampa alimony lawyer about the specific facts of your situation is the right first step.
Should I update my prenuptial agreement now that the alimony law has changed?
This depends on what your current agreement says and how your circumstances have evolved since you signed it. Prenuptial agreements cannot be amended unilaterally. Both parties must agree to any changes, and those changes should be documented in a written amendment executed with the same formality as the original agreement. If your prenup references permanent alimony by name, contains caps that may now be redundant, or was drafted in a legal environment that looks materially different from today’s, a review with a Florida alimony attorney is worth the time. It does not necessarily mean changes are needed, but knowing is better than assuming.
What happens if my prenup references “permanent alimony” and that category no longer exists?
This is a real drafting issue that courts may be called upon to resolve in the coming years. Courts generally try to give effect to the intent of the contracting parties rather than voiding a provision simply because a statutory label has changed. If a prenup says something like “neither party shall be entitled to permanent alimony,” a court is likely to interpret that in light of what the parties actually intended: to eliminate lifetime support. Since lifetime support no longer exists anyway, the provision may be read as a complete alimony waiver that still holds. However, if the provision is ambiguous, courts will look at surrounding language and the circumstances of the negotiation. Precision in drafting matters, which is why working with an experienced alimony lawyer in Tampa when creating or amending a prenup is so important.
Can a prenup still cap alimony even if the statutory maximum is already lower than the cap?
Yes, and the provision remains in the agreement, but it may not do independent legal work if the statutory maximum already falls below the contractual cap. In that scenario, the court would apply the statutory limit. The contractual cap would only become operative if the statute later changed to allow higher amounts or if the marriage length placed the case in a duration category where the statutory cap exceeded the contractual one. For this reason, well-drafted prenups in the current environment should specify not just caps but floors, making clear what the parties intend the alimony outcome to be across a range of marriage lengths and statutory scenarios.
Is it harder or easier to challenge a prenup alimony waiver after SB 1416?
Generally speaking, it is somewhat harder to successfully challenge an alimony waiver on unconscionability grounds after SB 1416, because the statutory baseline a waiving spouse is compared against has been reduced. An argument that a waiver is unconscionable becomes less compelling when the statutory alternative is already significantly limited. That said, the analysis is always fact-specific, and courts retain discretion. A waiver in a 30-year marriage where one spouse has no income, no assets, and limited employability is still going to receive careful scrutiny regardless of what the statute says. Anyone considering challenging or defending a prenup alimony waiver should work with a Florida alimony attorney who understands both the pre- and post-SB 1416 landscape.
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.