With many locations around the city, divers of all levels can find something for themselves at Trincomalee. Nilaveli is home to shallow reefs and vibrant aquatic life, while Swami Rock offers drift diving. With the wreckage of H.M.S. Diomede and H.M.S. Hermes, divers keen on exploring have something to look forward to as well. The waters around Trincomalee are home to octopi, nudibranchs, seahorses, frogfish and various other species and are great for photography as well.