Board at sunset for a guided night snorkel off St. Thomas, where flashlights reveal octopus, eels and sleeping reef fish. This 2.5-hour outing combines a calm sunset cruise with close, guided encounters under the stars.
More ways to explore the area's outdoor wonders
The boat eases away from the harbor as the sun tilts low, scattering a last wash of gold across calm Caribbean water. Onboard, you kit up for a short sunset cruise — masks and fins ready, flashlights packed — and watch the sky deepen while the captain edges toward the reef.
Difficulty
moderate
Duration
2–3 hours
Fitness Level
Moderate fitness; swimmers should be comfortable in open water and treading for short periods
Wildlife
History
St. Thomas was an important Danish colonial port; its sheltered bays and piers now form part of the island’s popular dive and snorkel sites that have grown around historical harbor features.
Conservation
Local operators encourage reef-safe sunscreen, no-touch policies, and limited group sizes to reduce stress on corals and night-active species.
Reserve your spot on the Sunset on the Water + Night Snorkeling with Guide in St. Thomas today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Bring a reliable underwater light
A bright, waterproof flashlight dramatically improves visibility and helps the guide point out animals without disturbing them.
Use reef-safe sunscreen
Apply reef-safe sunscreen before arriving to protect marine life and avoid dripping chemicals in the water.
Practice basic mask and snorkel skills
Be comfortable clearing your mask and breathing through a snorkel in calm water to enjoy the night observations fully.
Watch for seasickness
If you’re prone to motion sickness, take preventative measures before boarding; the boat can rock during transit to reef sites.
Waterproof headlamp or handheld dive light
Critical for spotting nocturnal marine life and following the guide’s signals.
Well-fitted snorkel mask
A secure seal prevents fogging and lets you focus on observing animals at night.
Reef-safe sunscreen
Protects both skin and coral ecosystems in warm Caribbean waters.
summer
Light windbreaker or fleece
Evenings can be breezy after sunset; a lightweight layer keeps you comfortable on the return cruise.
winter