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Nature & Adventure

Alacranes Reef: the Largest Reef in the Gulf of Mexico

Cancun Bay Tours July 15, 2026 alacranes-reef-yucatan 5 min read

Alacranes Reef is the largest and most important reef in the Gulf of Mexico and the only one in Yucatán. This National Park and Biosphere Reserve, made up of five islets, lies about 100 km north of Progreso, a remote paradise for adventurous divers.

What to see

  • 34 coral species – and hundreds of fish species.
  • Turtles, rays and sharks – in crystal-clear, remote waters.
  • Isla Pérez and its lighthouse – with a 19th-century shipwreck history.

Why it is special

Its remoteness keeps it pristine: a gem for adventure diving, with exceptional biodiversity. Diving season runs from April to September.

How to visit

Reach it by boat from Puerto Progreso (3-4 hours). Book your experience with Cancun Bay Tours.

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