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Trunk Cay: A Snorkeler's Paradise

Discover an underwater paradise at Trunk Cay, St. John: Snorkeling trails, vibrant coral reefs, and diverse marine life await!

Trunk Cay, a small islet just off the coast of Trunk Bay Beach in St. John, USVI, beckons with its accessible snorkeling trails and vibrant marine life. Named after the leatherback sea turtle, locally known as 'trunks,' this natural attraction offers an underwater adventure for all skill levels.

A brief summary to Trunk Cay, United States Virgin Islands

  • St John, VI

Local tips

  • Arrive early to Trunk Bay to secure parking and enjoy a less crowded snorkeling experience.
  • Bring reef-safe sunscreen to protect the coral reefs and marine life.
  • Explore the underwater snorkeling trail on the western side of Trunk Cay for the best visibility and marine life.
  • Be careful not to touch or stand on the coral to help preserve the delicate ecosystem.
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Getting There

  • Walking

    From Trunk Bay Beach, Trunk Cay is a short swim of approximately 200 feet. The underwater snorkeling trail begins on the western side of the cay. Be aware of currents and weather conditions before swimming.

  • Public Transport

    From Cruz Bay, take a taxi or VITRAN bus (route through main commercial areas) along North Shore Road to Trunk Bay. The ride is approximately 2.5 miles. From the taxi/bus stop, it is a short walk to Trunk Bay Beach, where you can swim to Trunk Cay. * Taxi fare: Approximately $6 from Cruz Bay to Trunk Bay. * VITRAN bus fare: $1 per person.

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Discover more about Trunk Cay, United States Virgin Islands

Trunk Cay, a small, grass-covered islet, sits a mere 200 feet from the shore of Trunk Bay Beach, St. John, in the US Virgin Islands. Rising to an elevation of 48 feet, the islet is characterized by rocky cliffs, coral sandy beaches, and swaying palm trees. This scenic cay is most famous for the underwater snorkeling trail offered by the Virgin Islands National Park Service. The trail, easily accessible from Trunk Bay Beach, provides an opportunity to witness a diverse array of marine life in a relatively shallow and protected environment. Snorkelers can observe colorful fish, coral formations, and other fascinating sea creatures. The western side of the cay generally offers better protection from waves and boasts a greater abundance of coral and fish. Trunk Cay derives its name from the leatherback turtle, or 'trunk,' a species native to the USVI. These gentle giants, which can grow up to six feet long and weigh as much as 2,000 pounds, occasionally visit the waters around the cay. While exploring Trunk Cay, it's important to be mindful of the delicate ecosystem. Visitors are encouraged to avoid touching or standing on the coral to prevent damage. Reef-safe sunscreen is also essential to protect the marine environment from harmful chemicals.

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