NPS Photo / Kahle Buck Island Reef National Monument, located just off the coast of St. Croix, protects one of the Caribbean’s most intact marine ecosystems, including a barrier reef, coral gardens, and pristine beaches. Accessible only by boat, the island offers world-class snorkeling and a unique opportunity to experience a fragile natural environment. Conditions can change quickly, with strong sun, shifting weather, and variable sea conditions. Planning ahead and coming prepared helps ensure a safe, enjoyable visit while protecting this special place for future generations.Hours 7:00am - 5:00pm AST
Every Day These hours apply to all areas of Buck Island National Monument, including West Beach, the lagoon, underwater trail, Dietrich Landing, trails, observation platform and all waters. General Rules and Regulations
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Last updated: April 13, 2026