What a dynasty trust actually does

A dynasty trust is an irrevocable trust drafted to hold assets across multiple generations without triggering federal estate tax or generation-skipping transfer (GST) tax each time wealth moves from one generation to the next. The same dollar — properly structured and properly funded — can support your descendants for decades or centuries, while staying outside the reach of estate taxes, divorcing spouses, and judgment creditors.

The mechanics are straightforward in concept. You contribute assets to the trust during your lifetime or at death, allocating your federal estate and GST exemptions against the contribution. Once inside the trust, assets grow free of estate and GST tax forever — even when they pass to grandchildren, great-grandchildren, and beyond. Distributions are made to beneficiaries on the schedule and under the conditions you set. The trust never "matures" or distributes outright, which is exactly the point.

Why Florida is one of the best states for dynasty trusts

The dynasty-trust planning conversation often steers immediately to South Dakota, Nevada, or Delaware. Those states have abolished the rule against perpetuities entirely, allowing trusts to run forever. They earn the headlines. But for the vast majority of Florida families building generational wealth, the right answer is Florida.

Fla. Stat. § 689.225(2)(f) allows a Florida trust to remain in force for up to 360 years. That window covers roughly twelve generations — far longer than any realistic planning horizon. The legislative compromise built into the Florida rule offers the practical benefits of perpetual trust planning without the marketing-driven complexity of out-of-state situs.

Florida adds two other advantages most planners under-weight:

• No state income tax. Florida-sited trusts pay no state-level fiduciary income tax. California, New York, Massachusetts, and other states impose fiduciary income taxes that can substantially erode multi-generational growth — a hidden cost that compounds for centuries.
• A modern trust code. Fla. Stat. ch. 736 (the Florida Trust Code) includes statutory directed trustee provisions, decanting authority, and broadly available trust protectors. The legal infrastructure to keep a dynasty trust flexible across changing tax law, family circumstances, and asset composition is fully built out.

The result: a Florida resident funding a dynasty trust with Florida assets, administered by a Florida trustee, generally captures the substance of South Dakota dynasty planning without paying for the address change.

The tax math behind the strategy

Federal estate tax sits at 40% on amounts above the exemption. Without dynasty planning, that 40% bite hits at every generational transfer. Three generations of 40% transfer tax does not leave much intact. The math is brutal: $10 million transferred at 40% becomes $6 million, then $3.6 million, then $2.16 million — roughly 78% of the original value lost to tax across three deaths.

A dynasty trust changes that arithmetic. Assets allocated against your GST exemption ($13.99 million per individual / $27.98 million per couple in 2026) stay inside the trust without re-taxation as they move to successive generations. The same $10 million can compound over a century or more and still pass to descendants without re-incurring federal transfer tax.

A practical note on the exemption: the 2017 Tax Cuts and Jobs Act doubled the estate and GST exemptions, and that doubling sunset at the end of 2025. The current 2026 numbers reflect the post-sunset law adjusted for inflation. The legislative environment around the exemption remains active. The conservative planning posture is to fund dynasty trusts toward the current exemption ceiling while the window is open.

Asset protection across generations

A dynasty trust is also one of the strongest asset protection structures available to a Florida family — and the protection compounds across descendants.

Properly drafted, the trust protects assets from:

• Divorcing spouses of descendants.
• Judgment creditors of descendants.
• Bankruptcy of descendants.
• Bad decisions by descendants.

The bottom line

A dynasty trust is not exotic. It is architecture. It exists to do one job well: keep wealth intact across generations that have not been born yet, and protect descendants from forces — taxes, creditors, divorces, their own decisions — that will arrive on schedules you cannot predict.

Florida has built the legal infrastructure to make dynasty trusts work — a 360-year horizon, no state income tax on trust income, a modern trust code, and strong asset protection law. The federal estate and GST exemption windows are currently open. The combination is unusually favorable.

The decision in front of most Florida families is not whether dynasty trusts work. It is whether to build one while the window is still open, or wait until a future Congress narrows it.