Three Hundred South Ocean: The Building Story

Neighborhood Guides

Three Hundred South Ocean: The Building Story

Nikko Karki
Nikko Karki November 1, 2026
Three Hundred South Ocean is Midtown's quiet institution. The 1960 building faces Midtown Beach across the road, five minutes on foot from Worth Avenue, and it is one of the island's last true stock cooperatives. That structure shapes everything: buyers purchase shares and a lease rather than a deed, the board approves every sale, and the best transfers happen quietly. The recorded tape still tells a clear story. The last two years produced 7 recorded sales, a combined residence rebuilt the ceiling in August 2026, and asking prices now reach well past the record.
Built
1960
A stock cooperative facing Midtown Beach
Recorded sales
7
Two years of closings, all listed below
Median price
$2.1M
Single lines set the floor, combinations the top
Building record
$6.7M
The 1-B line, a combined residence, August 2026

How a Co-op Trades

A cooperative owns its building through a corporation, legally Three Hundred Ocean Blvd Apts Inc. Owners hold shares and a proprietary lease, not a recorded deed. The board interviews and approves every purchaser, cash requirements run heavier than in the condominiums, and financing is tighter. In exchange the building controls exactly who lives in it, which is the product a certain Palm Beach buyer is actually shopping for.

Pricing reflects the structure too. Co-op maintenance covers the corporation's whole budget, so the monthly number reads higher than a condominium fee while often covering more. Buyers comparing the two forms should compare total carrying cost, never the sticker fees.

The structure also shapes the data. Some share transfers never reach the public feed, so every figure in this story describes recorded sales and says so. The building's real velocity runs higher, the pattern we documented across the island in The Hidden Market.

The Building

The building went up in 1960 on South Ocean Boulevard where Midtown Beach runs its widest. The town's core sits directly behind it, Worth Avenue is a five minute walk south, and the beach is across the road. The apartments run from efficient one bedrooms to combined doubles of house scale, and the combinations are where the ceiling keeps moving. The 1-B line closed at $6.7M in August 2026, a building record, and current asking prices reach $8.3M.

The Midtown Block

Midtown is the island's walking quarter. The beach entrance sits across South Ocean Boulevard. The shops of the town core begin one block behind the building, and Worth Avenue anchors the south end of the stroll. Residents here give up the oceanfront towers' balconies over the water and take the town itself instead. That trade explains the buyer profile: long season owners who walk everywhere, many of them downsizing from island houses without leaving the neighborhood they already live in.

The block also explains the combination premium. Full floor and double apartments recreate house scale living two hundred steps from the sand, at numbers that remain well under Midtown's single family entry. The record ledger below shows buyers paying for exactly that arithmetic.

The Market

The two year tape runs 7 recorded closings at a median of $2.1M and $1,541 per square foot at the median. The spread is the story: original single lines still trade near two million, which remains the island's most affordable path to a Midtown address, while combinations price like houses. At this writing 2 apartments were publicly available. The board's rhythm sets the pace more than the market does, and patient buyers are the ones who get the calls.

Season drives the calendar. The recorded closings cluster from late winter through early summer, after a board process that typically starts months earlier. Sellers who want a season closing should have their paperwork moving before the holidays.

Two years of recorded sales
Each recorded closing, oldest at the top

BeachesMLS recorded closings. The combined 1-B line towers over the single apartments.

Every recorded sale at Three Hundred South Ocean
All recorded closings, November 2024 through October 2026
← Scroll to see all columns →
ApartmentClosedPriceBedsSqFtPer SqFtDays
Unit 1BAug 2026$6.7M21,857$3,62182
Unit 1BApr 2025$6.2M21,857$3,339140
Unit 3F & 3GMar 2026$4.3M42,790$1,54128
Unit 3FMar 2026$2.1M21,397$1,53996
Unit 3GMar 2026$2.1M21,395$1,54196
Unit 2EApr 2026$2M21,429$1,395142
Unit 5GJul 2026$1.8M11,225$1,46914

BeachesMLS recorded closings, board twins deduplicated. Co-op transfers can close without reaching the feed, so the true count runs higher. Owners are not named.

What Buyers Should Know

Read the cooperative's financials the way you would a company, because that is what you are buying into. Reserves, assessment history and the maintenance roll tell you how the 1960 structure is run. Budget time for the board process and engage counsel who has closed Palm Beach co-ops before. The condominium alternative across the price line is Four Hundred South Ocean a block south, and our building page compares the two directly. Owners weighing a quiet sale should test the combined unit premium first, because the record shows where the building's real demand sits.

Insurance and reserve questions now drive every older building conversation in Florida. A co-op's answers live in the corporate paper rather than a condo association's disclosures. Ask for both the budget and the engineering history. A 1960 building that documents its maintenance is a strength, and one that cannot is a discount waiting to be negotiated.

Bottom Line

Three Hundred South Ocean trades discretion first and price second. The recorded tape shows 7 sales in two years, a $2.1M median, and a combined residence record of $6.7M that asking prices are already chasing. For buyers who want Midtown with a board between them and the public market, this is the building built for exactly that.

For a buyer at Three Hundred South Ocean: underwrite the corporation, befriend the process, and decide your single versus combined strategy before the right shares surface.

Every figure is a BeachesMLS recorded closing at 300 South Ocean Boulevard from November 2024 through October 2026, board twins deduplicated on address and price. Medians are used throughout. Cooperative transfers can close without reaching the feed, so recorded figures understate total activity. Building facts follow the public record: 1960 construction, stock cooperative, legal name Three Hundred Ocean Blvd Apts Inc. This is market description, not a valuation of any property.

BeachesMLS recorded closings via our licensed feed, pulled November 1, 2026.

Nikko Karki
Written by

Nikko Karki

Nikko Karki has worked in real estate for nearly two decades, beginning on the developer side at Related Group in West Palm Beach, then through private real estate investments and cross-border M&A across the U.S., Europe, and Southeast Asia. He holds an M.Sc. in economics from the Helsinki School of Economics. He built Palm Beach Luxury to make his analysis available to anyone in the market, for free.
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Frequently Asked Questions
A stock cooperative, legally Three Hundred Ocean Blvd Apts Inc. Buyers purchase shares and a proprietary lease, and the board approves every sale.
The recorded median ran near $2.2 million over the last two years. Combined double apartments set the top: the building record is $6.72 million from August 2026, and current asking prices run past eight million.
Discretion and entry price. The board screens the building's ownership, transfers happen quietly, and single lines remain the most affordable recorded path to a Midtown address.
The cooperative's financial statements, reserves, assessment history and the board's cash and approval requirements. The corporation's health is the apartment's health.
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