- Shelter
- NW, N, NE, W
- Seabed
- algae
- Anchoring
- Allowed
Anchorage off the mouth of Puerto Mosquito, the bioluminescent bay of Vieques listed by Guinness World Records as the brightest in the world, 1.7 NM east of Esperanza.
- Beach
Guide
Approach and anchoring
Weed bottom. Sheltered from W through N to NE, open to the south. Anchor outside: boats with petrol or diesel engines are not allowed into the bay.
Practical
Swimming in the bay is prohibited. Night visits are only with DRNA-licensed tour operators, by kayak or electric boat, and tours stop around each full moon. Sunscreen and DEET repellent harm the dinoflagellates.
Story
The glow comes from Pyrodinium bahamense, which flashes blue-green for a tenth of a second when disturbed. The narrow mouth keeps the organisms in the bay and the mangroves feed them.
Key facts
- Type
- Anchorage
- Coordinates
- 18.09121, -65.44126 (18°5.47'N 65°26.48'W)
- Country
- Puerto Rico
- Shelter
- Sheltered from north-west, north, north-east, west winds
- Seabed
- algae
- Anchoring
- Allowed
- Services
- Beach
- Boaters' rating
- 4.2/5
- Updated
- October 14, 2026
Getting there
Mosquito Bay lies at 18°5.47'N 65°26.48'W, that is 18.09121, -65.44126 in decimal degrees.
Boaters' reviews
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Write a reviewFrequently asked questions
Which winds is Mosquito Bay sheltered from?
Mosquito Bay is sheltered from north-west, north, north-east, west winds.
Can you anchor at Mosquito Bay?
Yes, anchoring is allowed at Mosquito Bay.
How do boaters rate Mosquito Bay?
Mosquito Bay is rated 4.2/5 by boaters on BoatMap.
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