Learn how to identify the four sea turtle species found in the Mexican Caribbean. This guide includes a free ID poster, key identification features, and tips to help divers and snorkellers recognise turtles around Mahahual.

A female green turtle releasing eggs underwater on a coral reef near Mahahual. Sea turtles normally nest on beaches, making this an exceptionally rare observation. After hundreds of dives in Mahahual, I thought I had seen almost everything the reef had to offer. Then, during a dive at Punta Tam in August 2025, we witnessed something completely unexpected: a green turtle releasing eggs underwater. A Rare Underwater Encounter On 7 August 2025, while diving at Punta Tam south of