Editors and members of TripAdvisor.com have named their top 10 most breathtaking beaches in the world. 10. Orient Bay Beach, Orient Bay, St. Maarten/St. Martin: "If you're in St. Martin, you have to go to Orient Bay Beach!" says TripAdvisor member Kim W. "There are tons of water sports, beach bars and restaurants if you need entertainment. Otherwise the beach is perfect for laying out or people watching for a while. The water is beautiful, and the people are friendly." (Fotolia)