Discover St. John with On the Sea Charters

Experience the ultimate adventure with On the Sea Charters, your premier choice for St. John boat charters.

St. John is a lush paradise, with two-thirds of the island protected as a U.S. National Park. Explore world-famous beaches, crystal-clear waters, and some of the best snorkeling spots in the Caribbean—home to vibrant coral reefs, sea turtles, and tropical marine life.

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With On the Sea Charters, you’ll visit iconic locations like Honeymoon Beach, Maho Bay, and the floating taco bar Lime Out—a must-do experience only accessible by boat. Whether you’re soaking up the sun on white sand beaches or swimming alongside turtles in the national park waters, every stop promises unforgettable memories.

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Book your private St. John boat charter today and let On the Sea Charters show you the island’s best-kept secrets from the sea.