Miami's ultra-luxury residential market closed $27.25 million for a single waterfront home at 790 Lake Road in Bay Point this month, the highest sale price recorded in the gated enclave and a datapoint that confirms what the quarterly tracking numbers already show: Florida's zero-tax coastline is no longer the secondary market. It is the primary.
Miami is now outpacing both New York City and the San Francisco Bay Area in ultra-luxury transaction velocity for 2026, according to real estate market tracking published this week. The margin is not close. Sales volume in the $10 million-plus segment has increased 31% year-over-year in Miami-Dade County through Q2, while comparable segments in Manhattan and the Bay Area remain flat or contract slightly. The Bay Point sale, a modern build with the community's only rooftop terrace, moved in 42 days—not the eighteen-month cycle typical of comparable properties in Atherton or Tribeca.
This is wealth migration with a cost basis. New York State's top marginal income tax rate sits at 10.9%, California's at 13.3%. Florida's is 0%. The arbitrage is not subtle, and allocators with exposure to Northeast or West Coast commercial real estate are beginning to price in the second-order vacancy risk. Family offices that anchored in New York for proximity to banking infrastructure or Silicon Valley for venture deal flow are discovering that neither anchor holds when the principal can save $1.3 million annually on a $10 million income by relocating the tax domicile. Miami offers international banking rails, direct flights to São Paulo and London, and a 5.5% state sales tax that does not apply to most services.
The velocity matters more than the headline price. Ultra-luxury inventory in Miami is moving at a rate that suggests constrained supply, not speculative froth. Developers are not overbuilding; they are underbuilding relative to inbound demand. The Bay Point sale closed without financing, as did 68% of Miami's $10 million-plus transactions in Q2. That is all-cash velocity in a segment where liquidity typically governs everything. Meanwhile, Manhattan's comparable segment saw financing involved in 52% of sales, and the Bay Area's in 61%, indicating that buyers there are extending themselves while Miami's are simply relocating capital.
Allocators should watch permitting data for new ultra-luxury developments in Miami-Dade and Broward counties over the next 90-120 days. If construction starts remain elevated, it signals developers believe the inflow is structural, not cyclical. Watch also for any legislative movement in Tallahassee around property tax caps or homestead exemption adjustments, which would indicate the state is preparing to extract revenue from the new base. And watch the $5 million-plus segment in Austin and Nashville, which are absorbing secondary overflow from the same tax-flight dynamic.
The Bay Point sale is not an outlier. It is the comps resetting in real time.