Pag Island is a popular diving destination in Croatia, known for its clear waters, diverse marine life, and variety of dive sites. The island is located in the northern Adriatic Sea, and is part of the Kvarner Gulf archipelago. Pag Island is home to a variety of marine life, including: Fish: Common carp, perch, pike, trout, bream, barracuda, sea bass, octopus, squid, and cuttlefish. Mammals: Dolphins, seals, and whales. Reptiles: Sea turtles. Invertebrates: Sea anemones, sponges, corals, and crustaceans.