Cenotes are usually associated with Mexico. Cuba also boasts a few exciting spots for diving and swimming. If you are on holiday in Varadero, one of the most popular Cuban resorts, make sure to visit Cueva de Saturno (Saturn Cave), just 20 km away from the town. It is a part of the complex system of caverns. Cueva de Saturno is a natural underground cave filled with fresh turquoise water. You can swim and snorkel among stalagmites and stalactites. Diving into a 20 meter hole is also interesting to see underwater rock formations, galleries, blind cavefish and cave shrimps. You'll also find an equipment rental post and a snack bar on-site, but diving tours should be booked in advance at one of Varadero dive clubs. The best time to visit Cueva de Saturno is in the early morning before the flocks of tourists reach the spot. It's open to visitors from 8 am to 6 pm.
Cueva de los Peces (Cave of the Fish), located between Playa Larga and Playa Girón about two hours from Havana, and other spectacular water-filled cenotes are available around Zapata Peninsula for swimming, snorkeling or diving. Some of these caves are 60-70 m deep. You can rent all the necessary equipment on the spot.
Cenotes provide some of the best diving experience in Cuba year round. It might be less crowded during the rain and hurricane season though.