Ko Lan is one of the eastern seaboard islands of Thailand. Ko Lan lies 7.5 km from the closest shore, Pattaya. "Ko Lan" is the name of the island in the Royal Thai General System of Transcription. It is otherwise called "Koh Larn" and "Ko Laan". Ko Lan is the biggest of the "close islands", off south Pattaya. It is at the southeast end of the Bay of Bangkok, on the east side of the Gulf of Siam. Authoritatively Ko Lan has a place with the Amphoe Bang Lamung, Chonburi Province.
It is around 4 km long and 2 km in width. It is an uneven island, secured with low tropical timberland; its most elevated point achieves 180 m where there is a Buddhist place of worship. The island has two little towns on it: Ban Ko Lan and Ban Krok Makhan where you will find lodgings and eateries.