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Trunk Bay Underwater Trail

Trunk Bay Snorkel Trail

Just off the east end of Trunk Bay is a small island called Trunk Cay. On the west side of the island the Virgin Islands National Park (VINP) has created a snorkeling trail for visitors to this the most popular beach on St. John.

Trunk Cay

Trunk Cay

I revisited the snorkel trail a few days ago with an underwater camera at my side and the following is a recap of my snorkel adventure and what waits in store for others planning to see for themselves.

Trunk Bay Snorkel Trail Experience

Trunk Bay Underwater Trail

Beginning of the trail

The first sign is located under the red buoy just off the beach on the west side of Trunk Cay. The next sign is informational. Follow the arrows or the orientation of the signs to reach the next one in the series.

St. John Snorkeling: Trunk Bay Trail sign


trunk bay snorkel trail

Sign Three

Please Don’t Touch or Stand on the Coral

The third sign is there to warn those that don’t know any better not to touch the coral. Even light touches can be damaging and in these days of extra warm waters, which have resulted in the kill off of the symbiotic algae that nourishes the coral, corals are more susceptible than ever to disease. Also worth mentioning is that touching the coral often leads to flesh wounds that take some time to heal.

Fish Colors Trunk Bay Underwater Snorkel Trail

Sign Four

Predators Trunk Bay Underwater Snorkel Trail

Sign Five

Yellowtail Snapper Trunk Bay Underwater Snorkel Trail

Yellowtail Snapper

St. John Marine life: sand Diver

Sand Diver

St. John Marine Life: Hard Corals

Sign Six

St John Marine Life: Elkhorn Coral

Elkhorn Coral

St John Marine Life: Star Coral

Star Coral

Trunk Bay Underwater Snorkel Trail: Finger coral

Finger Coral

Sign Seven

Sign Eight


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3 Responses to “St. John Snorkeling: Trunk Bay Underwater Snorkel Trail – Part One”
  1. Mary Jo says:

    Beautiful photos! What kind of underwater camera (still/video) do you use?

  2. Gerald Singer says:

    I used a Panasonic Lumix TS 2, which I was happy with until last week when the seal leaked and the camera stopped functioning – worst of all no response from Panasonic repair or support. Too bad, it took great photos and videos

  3. Han says:

    Just discovered your site. Tons of great info of pics. I’ve used your guide books for years. I use a little Cannon underwater point and shoot. The name isn’t coming to me but I drowned it and they sent me a new one! It was the fine sand that got mine. Anyway keep up the good work on St John snorkeling.


Brought to you by Gerald Singer, St. John US Virgin Islands (USVI)