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Palm Beach, Florida
Edward Durell Stone, the architect of the Kennedy Center, designed exactly one building in Palm Beach, and this is it. The 400 opened in 1965 as a white six story courtyard building of duplex residences. Under the state's new condominium law, it became the first condominium in Palm Beach County. His son Hicks Stone restored it in 2000, and the rooftop pool was the town's first.
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Market Intelligence
Closed sales in the selected window, grouped by price tier.
400 South Ocean closed sales by price tier, trailing twelve months, data through August 10, 2026. Source: Beaches MLS. · Updated September 3, 2026
Closed sales, Beaches MLS. Select any tier to view its recent sales. Tiers with fewer than three sales list each sale but show no median.
The Building
The 400 is a piece of American architecture that happens to be a condominium. Edward Durell Stone, whose work runs from the Museum of Modern Art to the Kennedy Center, designed it in 1965. It was his first Florida building and his first apartment building anywhere, a white six story block around a planted courtyard, dressed in his signature grillwork. Under Florida’s new 1963 condominium law, it converted to become the first condominium in Palm Beach County.
The residences are duplexes, town living stacked two floors at a time, a block from Worth Avenue with the beach across the boulevard. Stone’s own son, architect Hicks Stone, restored the building in 2000, and a January 2026 sale reached $9.8M.
| Address | 400 S Ocean Blvd, a block from Worth Avenue |
|---|---|
| Completed | 1965 |
| Architect | Edward Durell Stone, restored by Hicks Stone in 2000 |
| Residences | Duplex plans around a central courtyard |
| History | The first condominium in Palm Beach County |
| Amenities | Rooftop pool, the town's first, doorman, garage, club and fitness rooms, four guest suites, beach access |
| How It Trades | On architecture and the Worth Avenue walk |
Stone came to the project through his son Edward Durell Stone Jr. He gave the town something it had never seen: high modernism in white, screened by lace like grillwork, arranged around a courtyard instead of a corridor. The building stands today as his only Palm Beach work.
The 2000 restoration by Hicks Stone renewed the grillwork, the entrances and the elevator cabs, keeping the design in the family across two generations.
Every residence lives on two floors, with bedrooms above the living rooms in the town house manner. Buyers who find flats flat have exactly one address of this pedigree in town, and they defend it: turnover stays low and quiet.
The rooftop pool, the town's first, looks over the boulevard to the ocean, and Worth Avenue is a block on foot.
Side by side
Market data is pulled live from the MLS on a trailing twelve-month basis, across all property types. Building details below are reference.
View All Luxury Condos →Common Questions
Edward Durell Stone, the architect of the Kennedy Center and a founder of American mid century modernism. Completed in 1965, it was his first Florida building and his first apartment building anywhere. His son Hicks Stone restored it in 2000.
Yes. It converted under Florida’s 1963 Condominium Act among the state’s earliest, making it the first condominium in Palm Beach County. Every condo tower in the county follows a legal trail that starts here.
A January 2026 sale reached $9.8M. The duplexes trade rarely and on architecture as much as square footage, and the market table on this page carries current closings, updating automatically.
Duplexes, living rooms below and bedrooms above, arranged around the planted courtyard. The format lives like a town house with building service around it, and it exists nowhere else in town at this pedigree.
A doorman and 24 hour security, on site management, underground parking, club and fitness rooms, four guest suites, direct beach access and the rooftop pool that was the town’s first.
Its rivals sell location, and it sells authorship plus location. The 330 a block north offers the same walk with conventional flats, while the 400 offers Stone’s architecture and duplex living. Architecture buyers rarely consider anything else.
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