Located within Cotubanamá National Park (formerly Parque del Este) in La Romana province, Dominican Republic, this freshwater cave system is one of the Caribbean's leading cave-diving training sites. Inside its stalactite- and stalagmite-lined limestone chambers, divers can observe a halocline where fresh and salt water form distinct layers, and visibility routinely exceeds 30 meters. Open-water divers may enter only the cavern zone near the entrance, while the deeper cave passages are restricted to those holding full cave-diving certification.
Highlights
A freshwater cave and cavern system inside Cotubanamá National Park
Stalactite- and stalagmite-lined limestone chambers with an observable freshwater-saltwater halocline
Crystal-clear water with visibility beyond 30 meters, a leading Caribbean cave-diving training site
Easily paired with wall diving off nearby Catalina Island, reached by boat from Bayahibe
Good to know
RulesEntering the true cave zone is strictly forbidden without cave-diving certification; open-water divers are limited to the entrance cavern area
SafetyCave diving does not allow a direct ascent to the surface, so specialized training and gear (guideline, backup lights) are mandatory
·A separate diving permit beyond the park entrance fee is required, so book through a certified local dive shop
MannersCave formations like stalactites are fragile — minimize silt-out from fin kicks and avoid any contact
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