St. John might have the lion’s share of the Virgin Islands’ natural attractions, but the extraordinary concentration of flora and fauna in St. Thomas’ Mangrove Lagoon makes it a top eco-tourism destination.

Small kayak groups thread through the lagoon’s tiny red mangrove islands, with guides pointing out the huge diversity of birds they attract, including herons, egrets and ducks.

The route takes you to deserted Cas Cay island, where hermit crabs dart about among mangrove roots. On your gently-paced travels you’ll see young fish darting around this natural breeding ground. Low-impact snorkeling will get you even closer, and you’ll spot rays, eels and jelly fish as well as a host of colorful tropical fish.

Practical Info

Mangrove Lagoon is in the southeast of St. Thomas, less than 15 minutes’ drive away from the capital, Charlotte Amalie.

Tours & Tickets

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St Thomas Mangrove Lagoon Kayak and Snorkel Tour

5 star rating: Highly Recommended 17 Reviews

Take a kayak and snorkel adventure through St. Thomas’ Mangrove Lagoon, an unspoiled region of mangrove forests, winding channels and first-rate snorkeling ...  Read more

Location: St. Thomas, US Virgin Islands
Duration: 2 hours 30 minutes (approx.)

From USD $55.19

St Thomas Kayak Tour: Sunset Birding at Mangrove Lagoon

Attention bird lovers: Kayak through the aviary wonderland of St Thomas’ Mangrove Lagoon Wildlife Sanctuary & Marine Reserve. On this 90-minute tour timed ...  Read more

Location: St. Thomas, US Virgin Islands
Duration: 90 minutes (approx.)

From USD $38.99

St Thomas Self-Guided Kayak Tour in Mangrove Lagoon with GPS Geocaching

Combine a kayak trip with treasure hunting on this 4-hour independent GPS-guided ‘geocaching’ tour around St Thomas' Mangrove Lagoon. Board your kayak with a ...  Read more

Location: St. Thomas, US Virgin Islands
Duration: 4 hours (approx.)

From USD $48.99

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