10. Trunk Bay, St. John, U.S. Virgin Islands
Trunk Bay, located in the United States Virgin Islands, is a breathtaking quarter-mile stretch of white sandy beach, fringed with swaying palm trees and offering safe, inviting waters for swimming. Beneath the crystal-clear surface, a marked snorkeling trail runs along the beach, allowing visitors to explore the vibrant marine life and intricate coral formations that make this spot a true underwater paradise.