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Coral Reef Underwater Park Trail: Discover St. John's Submerged Wonders

Explore a vibrant underwater world at St. John's Coral Reef Underwater Park Trail, a snorkeling paradise in Trunk Bay.

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The Coral Reef Underwater Park Trail, located in Trunk Bay on St. John, US Virgin Islands, offers a unique snorkeling experience. A 650-foot underwater trail guides visitors through vibrant coral reefs and diverse marine life, with plaques providing information about the underwater ecosystem.

A brief summary to Coral Reef Underwater Park Trail

Local tips

  • Arrive early to avoid crowds and enjoy a more peaceful snorkeling experience.
  • Wear reef-safe sunscreen to protect the delicate coral reefs.
  • Bring your own snorkeling gear to save on rental costs.
  • Avoid touching the coral to preserve this fragile ecosystem.
  • Check the cruise ship schedule to avoid crowded times at Trunk Bay.
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Getting There

  • Public Transportation

    From Cruz Bay, take a local taxi or the open-air shuttle (also known as a taxi) along North Shore Road (Route 20) towards Trunk Bay. The ride is approximately 2.5 miles. Taxis run frequently and are a common mode of transport on the island. Taxi fares from Cruz Bay to Trunk Bay typically cost around $10-$15 per person. Confirm the fare with the driver before starting your journey.

  • Walking

    From Cruz Bay, it is possible to walk to Trunk Bay, although it is a longer journey of approximately 2.5 miles. Head east on Route 20 (North Shore Road). Be prepared for some hills along the way. There are no costs associated with walking, but ensure you have comfortable shoes, water, and sun protection.

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Discover more about Coral Reef Underwater Park Trail

The Coral Reef Underwater Park Trail in Trunk Bay, St. John, is a mesmerizing underwater adventure suitable for snorkelers of all skill levels. This 650-foot underwater trail, maintained by the National Park Service, guides you through a vibrant marine ecosystem. As you explore the crystal-clear waters, you'll encounter diverse coral formations, including brain coral, fan coral, finger coral, and the recovering elkhorn coral. Keep an eye out for a variety of colorful fish, such as angelfish, parrotfish, and barracuda, as well as sea turtles, eagle rays, and other fascinating marine creatures. The trail features plaques that offer insights into the marine life and coral structures you observe. Trunk Bay itself is renowned as one of the most beautiful and photographed beaches in the Caribbean. Its heart-shaped bay boasts clear waters, fine white sand, and ample shade, making it an ideal spot for relaxation and exploration. The beach offers convenient amenities such as a snack bar, snorkel gear rentals, showers, and restrooms. However, Trunk Bay is the only beach on St. John that charges an entrance fee. While the underwater trail can get crowded, especially during peak hours, visiting early in the morning offers a more serene experience. Remember to wear reef-safe sunscreen to protect the delicate coral reefs and avoid touching the coral.

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