This ultra-exclusive community off the Miami coast is a residents-only paradise of luxury Florida living, complete with a ...

24/7 Wall St. Key Takeaways: Most very expensive islands are located in the Caribbean or a similar vacation destination. However, there are some other surprising places you can buy an island, too.

Characterized by upscale resorts, Barbados is one of the most expensive and luxurious islands in the Caribbean. On average, a solo tourist would spend around $2,632 for a seven-day trip to Barbados.

Here’s a breakdown of the three most expensive Hawaiian islands to live on, followed by the three cheapest. Find Out: What Salary Single People Need To Live Comfortably in 100 Major US Cities.