West, Mayagüez
Tourmaline Reef
Also called Reserva Natural Arrecife Tourmaline, Boya #8
Off Punta Guanajibo, Mayagüez and Cabo Rojo.
- Depth
- To 33 ft (To 10 m)
- Up to 10 m (Wikipedia)
- 0 to 30 m (underwaterphotography.com dive-site listing)
- Entry
- Boat
- Level
- No source states a level
What's down there
- Coral cover about 40% in 2009, down from 60% in 2003 (Wikipedia)
Named sites
- UnconfirmedAlso named, with no details published: La Nariz, La Cruz, Laberinto de Marta, Yellow Road (underwaterphotography.com dive-site listing)
Reserve and rules
Inside the Tourmaline Reef, Abrir La Sierra and Bajo de Cico. Damaging coral, anchoring off the buoys, or fishing or diving in a reserve without the DRNA Secretary's authorization can cost $500 to $10,000 a violation (Law 147).
- No anchoring, nets, traps or bottom longlines inside the regulation's box (DRNA Fishing Regulation)
Who dives it
No source names a shop that dives here.
In the 787daily Guide: Mayagüez, with today's conditions.
Sources
Sources (3)
- Wikipedia, Tourmaline Reef (opens in a new tab), press, no date; checked Oct 18, 2026
- underwaterphotography.com dive-site listing (opens in a new tab), dive log or listing, no date; checked Oct 18, 2026
- DRNA Fishing Regulation (Reg. 7949) (opens in a new tab), official, Nov 2010
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