How to Buy a Private Island (and What It Really Costs to Run)
Published on: June 7, 2026
Quick answer: Buying a private island is possible, and not only for billionaires, with entry-level islands changing hands for less than a city apartment, while trophy assets run past 100 million dollars. The first question is whether a foreigner can hold genuine freehold (realistic in places like the Bahamas, Belize, Panama, Canada, Greece, and parts of the Caribbean) or only a lease (the Philippines, Indonesia, Thailand, Fiji, and much of the Pacific). The listing price is the cheapest part: a common rule of thumb puts the cost of getting an island operational at roughly 1.8 times the purchase price once power, water, waste, access, staff, and maintenance are built in, and most island deals are cash because mortgages are rare.
A private island is the ultimate property fantasy, and the one most people understand the least. The listing price, the number that makes headlines, is often the cheapest part of owning one. The expensive part is everything that comes after: getting power and water onto a piece of land with neither, building on it, reaching it, and keeping it from being quietly reclaimed by the sea.
Buying an island is entirely possible, and not only for billionaires. Entry-level islands change hands for less than the price of an apartment in a major city. But the gap between buying one and owning one comfortably is where the real money lives, and where the smart due diligence pays for itself.
First question: can a foreigner even own it?
Before price, before location, settle one thing, because it overrides everything else: can a foreigner hold genuine, permanent title to the island, or only a lease?
In much of the world the answer is yes to freehold. North America, the Caribbean, and parts of Europe generally allow foreigners to buy outright. The Bahamas, Belize, Panama, Canada, Greece, and a number of smaller Caribbean nations such as Grenada and Dominica are among the places where foreign freehold ownership of an island is realistic. Panama is often singled out as the easiest in its region, granting foreign buyers essentially the same property rights as citizens.
In much of Asia and the Pacific, the answer is no, or not directly. Foreigners cannot own freehold land in the Philippines, Indonesia, or Thailand; ownership there is structured through long leaseholds (commonly 25 to 99 years), locally incorporated companies, or partnerships with a local entity. Fiji and many South Pacific islands are predominantly leasehold. Some sellers will offer to set up a company or trust to get around an ownership ban; this is exactly the kind of "clever" structure that turns into a legal liability later, and it should be approached only with independent local legal advice, never on the vendor's say-so. Brazil requires government approval for coastal and border properties, which most islands are.
| Ownership type | Where it typically applies | What you actually get |
|---|---|---|
| Freehold | Bahamas, Belize, Panama, Canada, Greece, parts of the Caribbean | Permanent title to the land and anything you build |
| Leasehold | Philippines, Indonesia, Thailand, Fiji, much of the Pacific | The right to use the island for a fixed term, not ownership |
Freehold versus leasehold: why it's the whole ballgame
Freehold is outright, permanent ownership. You own the land and everything you "stick on top," the villa, the jetty, the solar array, and you can sell, develop, or pass it on.
Leasehold means someone else owns the island and you have the right to use it for a defined period. The deeper problem with leasehold on an island is investment decay: every dollar you spend developing a 50-year leasehold is worth less each year as the clock runs down, because at the end of the term the improvements you paid for may revert to the owner. On a property you'll pour money into, that asymmetry matters enormously.
The rule serious buyers follow is to insist on an unencumbered freehold title to the entire island wherever the law allows it. The occasional exception is tolerable, a government-owned lighthouse on a corner, say, but anything that clouds the title or splits ownership should be treated as a serious mark against the deal.