There’s something special about committing to married life in Florida. Whether you’re merging lives under a Gulf Coast sunset, juggling careers in a busy metro area, or blending families in a quieter inland community, life in Florida with the one you love is an adventure. Once the wedding dust settles, many couples realize that marriage brings not only joy and partnership, but also long-term financial questions worth addressing sooner rather than later. That’s where a postnuptial agreement comes in. A postnup lets you put guardrails around your financial life after the wedding. While Florida doesn’t require you to hire a lawyer, working with one often makes all the difference in whether the agreement will actually hold up later. Why would I need a postnup in Florida? And, what exactly are the legal requirements for a postnup in Florida? Continue reading to find the answers to your questions and to learn more about postnups.
Why would I need a postnup in Florida?
If you ever separate without a postnup or prenup in place, a Florida court would divide your property under equitable distribution. Section 61.075 of the Florida Statute outlines how property is distributed in Florida. Instead of a strict 50/50 division, the court aims for what it finds “equitable,” considering factors like each spouse’s contribution to the marriage, economic circumstances, and future earning potential. For some couples, that unpredictability is precisely why they choose a postnup. Maybe one of you launched a business after the wedding. Maybe you purchased a home together, but one partner put in more up-front capital. Maybe you’ve had a career shift, inherited assets, or started taking on debt for a major project. A postnup lets you step back and intentionally decide how you want to handle ownership, risk, and long-term planning rather than letting a judge piece together your intentions years down the road.
Can we share a lawyer?
Florida does not specifically prohibit spouses from using the same attorney for a postnuptial agreement. But, the challenge is that a shared attorney can’t fully advocate for two people whose interests might diverge. And when courts later examine whether a postnup was voluntary and fair, the absence of independent legal advice can become a sticking point. Additionally, attorneys owe their clients a duty of care and loyalty. It’s very difficult, if not impossible, to provide this level of service while representing two people on opposite sides of a contract. Many family law attorneys prefer each spouse to have their own attorney to strengthen the agreement. When both spouses have an opportunity to ask questions privately, review disclosures, and negotiate from an informed place, the postnup is far more defensible if someone ever challenges it.
Can I draft my own postnup?
Florida treats postnups as contracts, so in theory, yes, you could draft one yourself. But in practice, the DIY route is a risky one. Florida courts routinely scrutinize postnups for fairness and unconscionability, and agreements lacking full financial disclosure or signed under pressure can be tossed out. In fact, Florida case law shows that courts are willing to invalidate postnups if one spouse didn’t have enough time to review, didn’t understand what they were giving up, or if the terms were simply too lopsided. The court in the landmark 1987 case, Castro v. Castro, found that the marital agreement was too one-sided and was “unreasonably disproportionate to the means of the other spouse” (Castro v. Castro (1987)). A lawyer helps ensure that everything from disclosure to drafting to signing occurs in a way that won’t trigger those issues. For many couples, that peace of mind is worth far more than the money saved by drafting something on their own.
Where do I find a postnup lawyer in Florida?
You don’t need a specialized “postnup only” attorney to draft your agreement. Most Florida family law attorneys experienced with prenups also handle postnuptial agreements. Large metro areas like Tampa, Miami, Orlando, and Jacksonville have many attorneys who have experience with marital agreements. You can also use the Florida Bar’s Lawyer Referral Service to find vetted family law attorneys in your area. When you interview potential lawyers, look for someone who has meaningful experience with marital agreements, not just divorce cases. Ask how they approach disclosure, what their timelines look like, and how they help couples handle sensitive financial conversations. A good attorney doesn’t just draft paperwork. They guide you through the emotional and practical realities of planning your financial future together.
What affects the price of a Florida postnup?
The cost of a postnuptial agreement in Florida can vary widely, and it’s usually tied to how complex your financial picture is and how much negotiation is involved. Florida attorneys typically charge either a flat fee or an hourly rate, but the real driver of cost isn’t the format; it’s the work behind the scenes. If you and your spouse have straightforward finances, few assets, and generally agree on terms, the drafting process tends to be faster and more predictable. In those cases, the fee may feel very manageable.
Costs increase when the agreement requires more customization. For example, couples with businesses, rental properties, trusts, significant premarital assets, or blended-family considerations usually need more tailored language and deeper financial disclosure. The attorney may need to review corporate documents, trace separate property, coordinate with a CPA, or build more nuanced protections around income, appreciation, inheritances, or spousal support. All of that takes time, and time affects price.
Negotiation is another major factor. Some couples come to the table mostly aligned. Others need multiple rounds of revisions as they talk through expectations, trade-offs, and long-term goals. Neither approach is “better,” but when the process involves more attorney time, the cost naturally rises. And if each spouse hires their own lawyer — which is strongly recommended in Florida for enforceability — the total cost reflects two professionals reviewing, advising, and safeguarding each client’s interests.
Finally, experience matters. Lawyers who regularly draft marital agreements (including postnups, prenups, and marital settlement agreements) tend to charge more than general practitioners, but they also bring a deeper understanding of Florida’s case law and the nuances that make an agreement more likely to hold up in court. With postnups, that expertise is often worth the investment; an unenforceable contract is almost always more expensive in the long run.
Final thoughts on legal requirements for a postnup in Florida
A Florida postnup isn’t just a legal tool. It’s a practical resource for couples who want clarity and a roadmap for how their finances and property could be distributed in the future. While you can create a postnup without a lawyer, involving counsel usually leads to stronger agreements that honor the rights of both partners. Whether you’re addressing new assets, adapting to life changes, or simply hoping to remove financial guesswork from your marriage, a well-crafted postnup allows you to navigate the future with transparency and intention.
Nicole Sheehey is the Head of Legal Content at HelloPrenup, and an Illinois licensed attorney. She has a wealth of knowledge and experience when it comes to prenuptial agreements. Nicole has Juris Doctor from John Marshall Law School. She has a deep understanding of the legal and financial implications of prenuptial agreements, and enjoys writing and collaborating with other attorneys on the nuances of the law. Nicole is passionate about helping couples locate the information they need when it comes to prenuptial agreements. You can reach Nicole here: Nicole@Helloprenup.com
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