Same as Turks & CaicosIf it was me it would be Cayman Islands. A lot of other islands have annual property taxes including mine (Bahamas) but Cayman has one time stamp duty and that's it. Cayman is unique in that it has no other direct taxes whatsoever. It makes Monaco seem like a high tax country....lol.
https://taxsummaries.pwc.com/cayman-islands
P.S Cayman Islands government makes its money as below: