A shop on Rosado Salas in San Miguel, two blocks from the waterfront, running its own boats down to the southern reefs — Palancar, Columbia, Santa Rosa, Punta Sur — where the wall drops away and the current carries you along it.
They take certified divers on dive packages and private charters, handle cruise-ship divers on a tight clock, and run the mainland cenotes and the whale-shark trip as day excursions off the island. Equipment hire and the full course ladder from Discover Scuba to Rescue Diver are on site.