Three Hundred or Four Hundred South Ocean?

Buyer Intelligence

Three Hundred or Four Hundred South Ocean?

Nikko Karki
Nikko Karki November 1, 2026
One block of South Ocean Boulevard separates two different ownership philosophies. Three Hundred South Ocean runs co-op governance with 7 recorded sales in two years at a $2.1M median. Four Hundred South Ocean next door trades as condominium at a premium. Same shore, same blocks to Worth Avenue, different rules, and this brief prices the difference.
Median price
$2.1M
Recorded closings, two years
Median market time
96 days
Same recorded window
Recorded closings
7
Two years of sales
Recorded record
$6.7M
The co-op's recorded ceiling

How Buying Here Works

The product overlap is nearly total: Midtown addresses across from the beach, walkable to Worth Avenue, with large mid-century lines that renovate beautifully. The divergence is structural. The co-op vets buyers and limits financing, the condominium does neither, and the recorded spread between the two is the market's price for that freedom.

Buyers should decide the structure question first. Cash buyers comfortable with boards unlock the co-op's discount, while financed buyers and future landlords generally need the condominium's rules.

The Alternative

The table below puts the pair side by side. Four Hundred South Ocean's premium per foot is the condominium's flexibility priced in, and the co-op's discount survives because its buyer pool is structurally smaller. Neither number is mispriced. They are two correct answers to different ownership questions.

Three Hundred against Four Hundred South Ocean
Median recorded price in millions, November 2024 through October 2026

BeachesMLS recorded closings, board twins deduplicated.

Midtown's two addresses, side by side
Recorded closings, November 2024 through October 2026
Three Hundred South Ocean
Four Hundred South Ocean
Recorded closings, two years
7
4
Median price
$2.1M
$5.2M
Median $ / SqFt
$1,541
$2,768
Median market time
96 days
210 days
Recorded record
$6.7M
$9.8M

BeachesMLS recorded closings, board twins deduplicated. Medians inside thin samples are directional.

Timing and Leverage

Both buildings run on Midtown's winter calendar, and both trade thin enough that one listing changes the market. The practical edge goes to buyers tracking both doors at once, since the right line in either building answers the same underlying brief. Crossing the street is cheaper than waiting a season.

The Checklist

Before the offer: the governance documents for whichever structure, with maintenance and assessments compared honestly. Renovation rules differ between the two, and the per foot spread belongs against the latest recorded trades. Structure first, line second, price third.

Bottom Line

Three Hundred and Four Hundred South Ocean sell the same Midtown life under different constitutions, and the per foot spread is the price of the condominium's freedom. Buyers who settle the structure question first find the rest of the file settles itself.

The working rule on this block: decide co-op or condominium before touring either lobby, and the right building chooses itself.

Every figure is a BeachesMLS recorded closing from November 2024 through October 2026, board twins deduplicated on address and price. The scopes are each building's street address records. Medians on thin samples are directional.

BeachesMLS recorded closings via our licensed feed, pulled November 5, 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
Structure: co-op governance with vetting and financing limits against condominium freedom at a premium. The product overlap is nearly total.
The co-op trades at a structural discount its governance creates. Buyers who can live with boards capture it.
The co-op's recorded median ran $2.1M with the ceiling at $6.7M, and the condominium next door prices above it per foot.
Four Hundred South Ocean. Co-op financing limits make the condominium the practical door for leverage.
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