If you buy a home in Zanzibar as a foreigner, you will almost certainly buy a lease. For many buyers, that word raises a quiet worry: do I really own anything? The answer is yes, but it helps to know exactly what.

Yes. Foreigners can buy property in Zanzibar, and every year more people from Europe, the Gulf, East and Southern Africa and the diaspora do. But what you buy is not quite what most people picture when they hear the word "own." Here is how it works, in plain language.