Jumeirah Bay Island: 128 plots shaped like a seahorse, and a market of a few sales a year

Jumeirah Bay is a small man-made island off Jumeirah Beach Road, joined to the mainland by a short bridge. Its outline follows the silhouette of a seahorse — not for the aerial photograph, but because that shape yields the maximum shoreline for the minimum area. Practically the whole island is front row.

What is on it

The residential component is 128 plots for individual villas, ranging from 16,000 to 37,000 square feet. Forty-six face the inner bay; the remaining 82 sit further inland. As in Emirates Hills, the buyer acquires land and builds to their own design within the island's regulations.

• 128 villa plots.
• 16,000–37,000 sq ft plot range.
• 46 / 82 — plots on the inner bay and inland.

The second component is the Bulgari resort and residences designed by Antonio Citterio: a hotel, apartments, waterfront villas, a private marina and restaurants. The third and newest is Bulgari Lighthouse — a 28-storey tower by Bulgari Hotels & Resorts and Meraas, designed by Antonio Citterio Patricia Viel, with four- and five-bedroom penthouses and seven-bedroom sky villas.

Why this is a separate market

One hundred and twenty-eight plots is the island's entire housing stock, and it will not expand. At that scale "market" behaves differently. Few transactions occur in a year, each one is unique, and any single large sale moves every average.

The consequence is worth stating plainly: the record headlines this island generates — and Dubai's price records are set here regularly — describe a specific transaction, not a price level. A villa selling for hundreds of millions of dirhams means such a house and such a buyer existed, not that neighbouring houses are worth the same. Equally, a plot bought for tens of millions of dollars does not set the price of the plot next door: the difference between the inner bay and the inland ring, and between 16,000 and 37,000 square feet, is substantial.

How a property here is actually valued

Valuation by district price per square foot does not work — there is nothing to average. Three approaches do, and they are normally used together.

• Replacement cost. Today's plot price plus a real build and finish budget for a house of this class. That is the sensible floor.
• Hand-picked comparables. Not "villas on the island" but villas of comparable plot size, the same orientation to water and a similar build year. Over eighteen months you might assemble two or three — and that is enough to start a conversation.
• Exit scenario. How long a sale takes and who the likely buyer is. In a market of single-digit annual transactions, marketing time is as much a property characteristic as floor area.

Before buying

• A plot is not a house. Design, approvals and construction of a villa here take years and a budget comparable to the land itself.
• Building regulations. Height, footprint, setbacks and appearance are controlled. The design is approved, and not every idea passes.
• Privacy as the product. The island is gated and access is controlled. That is the main reason buyers come, and the reason very little stock ever reaches open advertising.
• Low liquidity. This is not an instrument with a three-year horizon. Other segments exist for that.