Tarifa is a compact, weather-driven dive destination at the point where the Mediterranean and Atlantic collide. The core underwater experience is local: guided day boats and short runs around Isla de las Palomas, with dive sites chosen according to Levante, Poniente, tides, and current. Expect rocky reefs, kelp-like algae, gorgonians, morays, congers, octopus, rays, nudibranchs, occasional sunfish, and wreck fragments such as San Andres. Non-divers get an unusually strong mix of whale watching, kite beaches, the Bolonia dune, Baelo Claudia, old-town tapas, bird migration, and the fast ferry to Tangier. The trade-off is exposure: water can be cool, wind can cancel boats, and independent snorkeling near the island is not a casual swim. Book with authorized local centers, stay flexible on site choice, and treat Tarifa as an adventure coast rather than a resort reef.