Water sports are surely the main entertainment, like snorkelling for example, or simply swimming, a safe exercise due to the lack of sea streams and strong winds.HOTEL La Maddalena The water is shallow and surrounded by smooth rocks, where also children can safely swim without any danger. Coralline sea beds and caves are to be found in Spargi and Budelli, red gorgonian cliffs and small coloured fishes in Cala Coticcio (known as Tahiti), rare black coral, small crayfish and seahorses in Mesa del Cervo.