St. Barts (Saint Barthélemy) is the premier "billionaire's playground" in the Caribbean because it offers a rare combination of extreme privacy, French sophistication, and high-end security. Unlike other Caribbean islands, St. Barts has a very small airport (Gustaf III) that cannot accommodate large commercial jets, meaning most visitors arrive via private plane or mega-yacht. This creates a natural barrier to mass tourism. The island's capital, Gustavia, features duty-free luxury shopping with brands like Hermès and Cartier, alongside Michelin-caliber dining that mirrors the French Riviera. In 2026, the island remains a top choice for the ultra-wealthy—including figures like Jeff Bezos and Roman Abramovich—who frequent exclusive spots like Shell Beach or the Eden Rock hotel. The low crime rate and the "unwritten rule" that locals and tourists leave celebrities alone allow billionaires to enjoy a sense of normalcy that is difficult to find elsewhere.