What marine life might I see when swimming off Mallorca's coast?

Many visitors imagine that Mediterranean waters around the island are bland or empty, but swimming here reveals a surprisingly rich marine world. Around coves like Cala Llombards or the long beach of Es Trenc, you can often spot colorful damselfish and wrasses weaving among submerged Posidonia seagrass meadows. These underwater prairies are crucial habitats, sheltering crustaceans, small mollusks, and juvenile fish. In clearer waters off Formentor or near the Serra de Tramuntana cliffs, vibrant parrotfish nibble on algae-covered rocks, their brilliant blues and greens contrasting with the sandy seafloor.

Turtle sightings are rarer nowadays, but loggerheads occasionally drift by, while schools of sardines and anchovies shimmer like silver clouds in the shallows. Divers and snorkelers sometimes catch sight of the smooth movement of rays gliding close to the bottom, especially near the Ma-19’s underwater valleys. Dolphins aren’t uncommon around the north coast and can be spotted from the beach or boat, their playful arcs breaking the surface. Exploring deeper or less frequented spots, such as near Cabrera island, reveals octopuses camouflaging among rocks and the occasional bream or grouper, testifying to the island’s ecological diversity beneath the waves.