There is no single estate tax strategy. Effective planning layers several techniques, sequenced around your asset mix, your liquidity, and how much control you are willing to give up. These are the tools that do the most work in Florida estates:
Portability of the Deceased Spouse's Unused Exemption
26 U.S.C. § 2010(c)(4); Rev. Proc. 2022-32
When the first spouse dies, any unused exemption can be transferred to the survivor — but only if a complete and timely Form 706 is filed making the election, even when no tax is owed and no return would otherwise be required. Missing it can waste $15 million of exemption. Rev. Proc. 2022-32 allows a simplified late election up to five years after death for estates not otherwise required to file, which rescues many families who did nothing at the first death. Portability does not apply to the GST exemption, which is one reason it is not a complete substitute for trust planning.
Credit Shelter (Bypass) Trust
Fla. Stat. Ch. 736; 26 U.S.C. § 2041
At the first death, an amount up to the deceased spouse's exemption funds a trust that pays income — and principal under an ascertainable standard — to the surviving spouse, but is not included in the survivor's estate at the second death. Unlike portability, everything the trust earns and appreciates after the first death also escapes estate tax, and the deceased spouse's GST exemption can be allocated to it. It also protects the children's inheritance if the survivor remarries. The trade-off is the loss of a second basis step-up on the trust assets, which is why many modern plans build in flexibility rather than mandating the funding.
Disclaimer and Clayton QTIP Structures
26 U.S.C. §§ 2518, 2056(b)(7); Treas. Reg. § 20.2056(b)-7(d)(3)
Rather than locking in a structure years before death, the plan can leave the decision to the surviving spouse or executor. A disclaimer trust lets the survivor decline assets within nine months, sending them into a bypass trust only if that is advantageous under the law and asset values in effect at the time. A Clayton QTIP goes further, letting the executor decide by election how much of the marital trust is treated as QTIP and how much drops into a credit shelter trust. Both convert a guess about future law into a decision made with actual facts.
Annual Exclusion and Direct-Payment Gifting
26 U.S.C. §§ 2503(b), 2503(e)
Gifts of $19,000 per recipient per year (2026) do not use exemption and do not require a gift tax return. A married couple can move $38,000 per recipient per year. On top of that, tuition paid directly to a school and medical expenses paid directly to a provider are unlimited and entirely excluded under § 2503(e) — the payment must go to the institution, not to the family member. A family with several children and grandchildren can shift meaningful value every year with no tax cost and no exemption used.
Spousal Lifetime Access Trust (SLAT)
26 U.S.C. §§ 2036, 2511; Fla. Stat. § 736.0505
One spouse makes a completed gift to an irrevocable trust for the benefit of the other spouse and the children. The gift and all future appreciation leave the taxable estate, while the family retains indirect access through distributions to the beneficiary spouse. SLATs are the most-used large-gift vehicle for married couples who want to lock in exemption without giving up all access. They require careful drafting to avoid the reciprocal trust doctrine when both spouses create one, and the access disappears on divorce or the beneficiary spouse's death — that risk has to be understood going in.
Irrevocable Life Insurance Trust (ILIT)
26 U.S.C. §§ 2042, 2035
Life insurance you own is fully includable in your gross estate — a $5 million policy adds $5 million to the taxable estate and, at 40%, $2 million of tax. A properly structured ILIT owns the policy instead, keeping the death benefit outside the estate while providing the family tax-free liquidity to pay the estate tax that is due. ILITs are the standard answer for illiquid estates built around a business or real estate. Transferring an existing policy into an ILIT triggers the three-year rule of § 2035, so new policies are generally issued to the trust from the outset.
Grantor Retained Annuity Trust (GRAT)
26 U.S.C. § 2702; Treas. Reg. § 25.2702-3
You transfer an appreciating asset to a trust and retain an annuity stream for a fixed term. If the asset outperforms the IRS § 7520 rate, the excess passes to your children with little or no gift tax and little or no exemption used. GRATs work best for concentrated positions expected to appreciate sharply — closely held stock before a liquidity event, or Florida real estate in a rising market. The principal risk is mortality: if you die during the term, the assets come back into the estate, which is why shorter rolling terms are common.
Qualified Personal Residence Trust (QPRT)
26 U.S.C. § 2702(a)(3)(A)(ii)
A residence or vacation home is transferred to a trust while you retain the right to live in it for a term of years. The gift is valued at a discount reflecting your retained use, so a high-value property moves to the next generation at a fraction of its worth — and all appreciation during the term is outside the estate. Well suited to Florida second homes and waterfront property. At the end of the term you must pay fair market rent to continue living there, which itself moves more value out of the estate.
Family Limited Partnership / LLC with Valuation Discounts
26 U.S.C. § 2704; Rev. Rul. 93-12
Family real estate or an operating business is contributed to an entity, and non-controlling interests are gifted or sold to children and trusts. Because a minority interest in a closely held entity cannot be sold freely or used to force distributions, it is worth less than a pro-rata slice of the underlying assets — discounts for lack of control and lack of marketability commonly run 15–35%. The structure must have a real non-tax business purpose and be respected in operation; entities run casually are regularly attacked under § 2036 and collapsed back into the estate.
Sale to an Intentionally Defective Grantor Trust (IDGT)
26 U.S.C. §§ 671–679; Rev. Rul. 85-13, Rev. Rul. 2004-64
Assets are sold to an irrevocable trust that is a grantor trust for income tax purposes but outside the estate for transfer tax purposes. The sale itself is not a taxable event because you are, in effect, selling to yourself for income tax purposes; the trust pays with a promissory note at the applicable federal rate. All appreciation above that rate accrues outside the estate, and your continued payment of the trust's income tax further reduces the estate without being treated as an additional gift. Frequently combined with discounted entity interests for compounding effect.
Charitable Remainder and Charitable Lead Trusts
26 U.S.C. §§ 664, 170, 2055, 2522
A charitable remainder trust pays you or your family an income stream for life or a term, with the remainder to charity — producing a current income tax deduction, deferring capital gain on the sale of an appreciated asset inside the trust, and removing the remainder from the taxable estate. A charitable lead trust runs the other direction, paying charity first and passing the remainder to family at a reduced transfer tax cost. Both are efficient answers when a low-basis, highly appreciated asset needs to be sold and charitable intent already exists.
GST Planning and Dynasty Trusts
26 U.S.C. §§ 2601–2664; Fla. Stat. § 689.225
Allocating GST exemption to a long-term trust removes the assets from the transfer tax system for generations, not just at the next death. Florida's rule against perpetuities permits trusts of up to 1,000 years for instruments executed on or after July 1, 2022, making Florida a favorable dynasty-trust jurisdiction. Allocation is the trap: automatic allocation rules do not cover every transfer, and a missed or misapplied allocation can subject a trust to a separate 40% tax at each generational level.
Business Succession, § 6166 Deferral, and § 2032A Valuation
26 U.S.C. §§ 6166, 2032A, 303
When a closely held business is more than 35% of the adjusted gross estate, § 6166 allows the tax attributable to it to be paid over as long as 14 years — interest only for the first five — at a below-market rate on the first tranche. Section 2032A permits farm and business real property to be valued at its actual use rather than its highest and best use, and § 303 allows a corporate redemption to fund taxes without dividend treatment. These provisions keep families from being forced to sell the business to pay the tax, but each has strict qualification and recapture rules that have to be planned for before death.
Basis Planning and the § 1014 Step-Up
26 U.S.C. § 1014
With a $15 million exemption, the more common mistake is now over-planning. Assets included in the estate at death receive a new income tax basis equal to date-of-death value, erasing a lifetime of unrealized capital gain. Gifting the same asset during life carries the old basis to the recipient. For families below the exemption — and for the assets a family above the exemption should deliberately leave in the estate — the right move is often to hold, use upstream gifts to older relatives, or build swap powers into existing irrevocable trusts to move low-basis assets back in before death.
These techniques are not alternatives to a Florida estate plan; they sit on top of one. The trust, will, powers of attorney, and health care documents still have to be right, the assets still have to be titled correctly, and the beneficiary designations still have to match. Tax planning built on an unfunded or defective foundation does not survive an audit.