Planning for a second marriage in Florida means coordinating a prenuptial agreement with your estate plan so that a new spouse, children from a prior marriage, and Florida’s mandatory spousal protections do not collide. Under Florida law a surviving spouse cannot simply be disinherited, so a prenuptial agreement is the primary tool used to define and waive those rights in advance. For adult children watching a parent remarry later in life, understanding this coordination is the difference between a smooth inheritance and years of probate litigation.
If your widowed or divorced mother or father is heading toward a second (or third) marriage, you are right to think about it early. Not because you doubt the relationship, but because Florida’s statutes hand a new spouse a surprising amount of legal leverage the moment the marriage license is signed. This guide walks through what changes, what a prenup can and cannot fix, and how the prenuptial agreement and the estate plan have to be drafted as one connected project rather than two separate errands.
Why second marriages create estate planning problems in Florida
A first marriage usually involves a shared financial history: joint accounts, a home bought together, children the couple raised together. A second marriage later in life almost never looks like that. Each spouse typically arrives with their own house, their own retirement accounts, and their own children. Those children expect to inherit what their parent built. The new spouse, meanwhile, acquires statutory rights that can quietly override what the will says.
That tension is the whole problem. Florida does not let a married person disinherit a spouse the way they could disinherit anyone else. Even a will that leaves everything to the children can be partially undone by the surviving spouse after death. So the planning question is never just “what does the will say.” It is “what rights does the new spouse have, and have those rights been addressed.”
The protections Florida automatically gives a surviving spouse
Several statutory rights attach to a spouse by operation of law. None of them require the spouse to ask, and most of them survive even a will that says otherwise:
- The elective share. Under Florida Statutes Chapter 732, Part II (sections 732.201 and following), a surviving spouse may elect to take 30% of the deceased spouse’s “elective estate.” The elective estate is broad — it reaches far beyond the probate estate to include certain trusts, jointly held property, payable-on-death accounts, and assets transferred during the last year of life. This is the single most important right to understand, because it can pull assets out of a trust the children thought was protected.
- Homestead protection. Under the Florida Constitution (Article X, Section 4) and section 732.401, if the deceased spouse is survived by a spouse and descendants, the homestead cannot be freely devised. The surviving spouse receives either a life estate (with the descendants holding the remainder) or, by election, a one-half tenancy-in-common interest. This often shocks adult children: even if Dad’s will leaves the house entirely to them, the new spouse may have a right to live there for life.
- Family allowance and exempt property. Sections 732.403 and 732.402 give a surviving spouse a family allowance (up to $18,000) and exempt property rights in household furnishings and vehicles, paid ahead of most beneficiaries.
- Pretermitted spouse rights. Under section 732.301, if your parent made a will before the marriage and never updated it, the new spouse may take an intestate share — often a large chunk — as though no will existed for them.
Add these together and you can see why a do-nothing approach is dangerous. The new spouse can walk away with the house for life, 30% of nearly everything, plus allowances, regardless of what the estate plan intended.
What a Florida prenuptial agreement actually does
A prenuptial agreement (or, if the wedding already happened, a postnuptial agreement) is the instrument Florida law provides for spouses to waive these rights voluntarily and in advance. Florida adopted the Uniform Premarital Agreement Act, codified at sections 61.079 of the Florida Statutes, which governs what a valid prenup can address and how it can be challenged.
A properly drafted prenup can waive the elective share, waive homestead rights, waive the family allowance, and clarify that each spouse’s separate property stays separate and flows to that spouse’s own children. It can also confirm what does belong to the surviving spouse — many couples want the new spouse cared for, just not at the children’s total expense. The agreement is where you draw that line.
What the agreement can and cannot reach
- It can waive spousal death rights. Elective share, homestead devise restrictions, family allowance, exempt property, and intestate/pretermitted shares can all be waived in writing under section 732.702, provided the waiver is clear.
- It can define separate versus marital property. The house your father owned before the marriage, his IRA, the family business — the prenup can confirm these remain his and pass to his estate plan untouched.
- It cannot waive child support obligations. Those belong to the child, not the spouses, and are unwaivable.
- It cannot survive procedural defects. If the agreement was signed under duress, without fair financial disclosure, or so one-sidedly that it is unconscionable, a court can set it aside under section 61.079(7). Inadequate disclosure is the most common ground for attack.
That last point is why the homemade or download-form prenup is a trap. An agreement that fails on disclosure or voluntariness is worse than none, because the family spent years believing they were protected when they were not.
Coordinating the prenup with the estate plan
Here is the part most families miss. Signing a prenup is necessary but not sufficient. The waivers in the prenup describe what the spouse will not claim. The estate plan still has to affirmatively direct where everything goes. If the prenup waives the elective share but the trust and beneficiary designations were never updated, you can still end up with assets landing in the wrong hands.
Think of it as two documents that have to agree with each other:
- The prenup says: “Spouse waives statutory claims against my separate property and against my estate, except as follows…”
- The estate plan (will, revocable trust, beneficiary designations, deeds) says: “And here is exactly where that separate property goes.”
When those two are drafted by people who never speak to each other, gaps appear. A common failure: the prenup carves out the marital home for the new spouse’s lifetime use, but the deed still lists the home as owned individually and the will leaves it outright to the children. Now the documents contradict, and the contradiction gets resolved in litigation after your parent is gone.
Tools that make the coordination work
Experienced planners reach for a few specific structures in second-marriage situations:
- A QTIP or marital trust. This is the workhorse. Income (and sometimes a home) goes to the surviving spouse for life; on the spouse’s death, the remaining principal passes to the first spouse’s children. It provides for the spouse without disinheriting the kids.
- Lifetime use of the homestead, clearly documented. If the couple wants the survivor to stay in the house, the prenup and a properly drafted deed or trust should grant that life estate deliberately, rather than letting section 732.401 impose its own version.
- Beneficiary designation cleanup. Life insurance, IRAs, and 401(k)s pass by designation, not by will. These get overlooked constantly. A federally governed 401(k) actually requires spousal consent to name a non-spouse beneficiary, so the prenup should include the necessary waiver language.
- Separate property segregation. Keeping pre-marriage assets in clearly titled, non-commingled accounts preserves the “separate” character the prenup relies on.
For aging parents whose long-term care is also a concern, the planning can extend to asset-protection structures. Families with a parent who may eventually need nursing care sometimes pair this work with a Medicaid asset protection trust, which removes assets from countable resources while preserving them for heirs. For a parent with a disability or a fixed income who needs to qualify for benefits, a pooled income trust can shelter surplus income. These are New York-specific vehicles, but the underlying logic — provide for the person while protecting the legacy — is exactly the balance a second-marriage plan has to strike, and the rules differ by state, so Florida families should confirm the comparable Florida structures.
What adult children should watch for when a parent remarries
You cannot — and should not — control your parent’s relationship. But you can encourage the right conversations and recognize the warning signs early. From years of probate practice, these are the patterns that produce litigation:
- No prenup, old will. The parent remarried and never revisited a will written during the first marriage. The new spouse likely has pretermitted-spouse rights.
- A prenup signed days before the wedding. Last-minute signing fuels duress and disclosure challenges. Earlier is safer and stronger.
- Commingled accounts. Separate property that gets mixed into joint accounts can lose its separate character, undercutting the prenup.
- Stale beneficiary forms. The IRA still names the late first spouse, or names “my estate,” creating unexpected results.
- Title that contradicts intent. Property titled jointly with right of survivorship passes to the new spouse outright at death, completely bypassing the will and any trust.
The most productive thing you can do is suggest your parent sit down with a Florida estate planning attorney before the wedding, with the new partner’s knowledge and ideally their own counsel. Joint, transparent planning protects everyone, including the new spouse, who has just as much interest in a clean, unchallengeable agreement.
The conversation, handled with respect
Framing matters. This is not about distrust. It is about clarity, fairness, and sparing two grieving families a courtroom. A well-built plan can guarantee the surviving spouse a comfortable home and income while guaranteeing the children the legacy their parent intended. Both halves of the family come out ahead when the documents are coordinated and signed well in advance.
Getting Florida second-marriage planning done right
Because Florida’s spousal protections are unusually strong and the elective-estate rules reach so broadly, this is not a do-it-yourself area. The prenuptial agreement, the will, the revocable or marital trust, the deeds, and the beneficiary designations all have to be reviewed together by counsel who handles both family law and estate planning. Our team coordinates that work and reviews how it interacts with long-term care and asset protection through the firm’s Florida estate planning practice.
If your parent is remarrying — or already has and never updated anything — start with a review of the existing documents. You can read more about the foundational documents on our wills page, learn what to expect if a plan is challenged on our Florida probate page, or contact our office to schedule a consultation. Acting before the wedding gives you every legal tool Florida allows. Acting after still helps, but the menu narrows.
Frequently Asked Questions
Can a prenuptial agreement waive the Florida elective share?
Yes. Under Florida Statutes section 732.702, a spouse can waive the 30% elective share in a written premarital or postnuptial agreement. The waiver must be clear and, to survive a challenge, generally requires fair and reasonable financial disclosure or an express waiver of disclosure. Without a valid waiver, a surviving spouse can claim 30% of the broad elective estate regardless of what the will says.
What happens to my parent's house if they remarry without a prenup?
Florida homestead law (Article X, Section 4 of the state constitution and section 732.401) restricts how a homestead can be devised when there is both a surviving spouse and descendants. The spouse typically receives a life estate or can elect a one-half tenancy-in-common interest, even if the will leaves the house entirely to the children. A prenup and properly drafted deed or trust are needed to change that result.
Is a prenup enough, or does my parent also need to update their estate plan?
Both are required. The prenup defines what rights the spouse waives; the estate plan (will, trust, deeds, and beneficiary designations) directs where the property actually goes. If the prenup is signed but the trust, deeds, and beneficiary forms are never updated to match, the documents can contradict each other and end up in probate litigation.
Can a postnuptial agreement fix things if my parent already remarried?
Yes. Florida recognizes postnuptial (marital) agreements, governed by similar principles to prenups. A couple already married can sign one to waive elective share and homestead rights and clarify separate property. It is generally harder to negotiate after the wedding, and full financial disclosure remains critical, but it is a valid and common remedy when planning was skipped beforehand.
What is a QTIP trust and why is it used in second marriages?
A QTIP (qualified terminable interest property) or marital trust gives the surviving spouse income, and often the use of a home, for life, then passes the remaining principal to the children of the first marriage. It lets a parent provide for a new spouse without disinheriting their own children, which is why it is one of the most common tools in second-marriage estate planning.
For more on our Florida practice, see our overview of estate planning in Boca Raton. Morgan Legal Group's affiliated New York office also handles special needs planning in New York.