Incredible Cave diving, Cavern diving and Snorkeling at the Cenotes in Mexico. Scuba dive in Cancun and take advantage of incredible diving at the world's second largest barrier reef located in the crystal clear, turquoise waters of the Mexican Caribbean. Come and dive with Manta Divers Scuba Diving Center in Cancun. We offer professional and personalized diving services to take you to these beautiful reefs filled with a myriad of colorful marine life.