Offshore islands include three "near islands": Ko Lan (main island), Ko Sak, and Ko Krok, from the shore of Pattaya. The "far islands" are Ko Phai (main island), Ko Man Wichai, Ko Hu Chang and Ko Klung Badan, located offshore further west of the "near islands". Ko Rin lies offshore to the south-west, south of Ko Phai group. The names "near islands", "far islands", and "Coral Island" are used for marketing purposes only and do not correspond to any naming conventions of the island groups and are not shown on maritime charts published by the Hydrographic Service of the Royal Thai Navy.