Coral Island Pattaya: a guide to Koh Larn, its reefs and its neighbours

Koh Larn is the island you can pick out from the beach in Pattaya on a clear day. The city's own yearly report says it can be seen clearly from Pattaya Beach, that it lies 7.5 kilometers from the shore and that it covers 4.07 square kilometers.¹ The same report describes a Koa Larn group of islands, Koh Krok and Koh Sak among them, lying west of the city, with the main island placed in Moo 7 of the Naklua sub-district.⁶ When people search for Coral Island Pattaya, this is the group they are looking for.

The island is longer than it is wide. The report gives about 4.65 kilometers at its longest and 2.15 kilometers at its widest, and it says 90% of the area is mountainous.⁴ Set that beside the pins on the map above and the layout reads easily: the beaches sit as small pockets along the coast, and the city's minibus routes link them from the village pier rather than across the hills.⁷ Plan the day around the coast, not around a straight line from one side to the other.

Smaller islands lie close by. Koh Krok is a small island 8 kilometers from Pattaya Beach, measuring 550 meters by 150 meters, with a single beach.⁸ Koh Sak lies 8 kilometers from the shore and has white sand, accommodation and restaurants.⁹ A boat day in our set visits Koh Sak ahead of the main island, which shows how the neighbours get stitched into a single boat day.

Koh Larn tourist attractions are not all beaches. Near Samae Beach the city report points visitors to a building that saves power with a solar system and to a nearby windmill farm that produces electricity.¹⁵ It is a small reminder that Koh Larn is a place where people live and where the city runs real infrastructure, not only a backdrop for a swim. A walk past the turbines makes a change from the bay if the sea is rough.

The report's list of temples under Pattaya City includes a temple on the island, Wat Maisamrarn in the report's spelling, in Moo 7 of Naklua.²² If you visit a temple, TAT's travel tip is to dress respectfully and slip your shoes off before stepping into a Buddhist temple.²³ A scarf or sarong in the day bag settles the dress question on a hot day, and it costs nothing to carry. Shoes that slip on and off make the temple stop quicker still.

Day tours from Bangkok often finish on the mainland rather than the island. The listing we sell ends with the Pattaya View Point for 15 minutes, a hilltop lookout over the bay, after the boat back from Koh Larn. The island has lookouts of its own, but we found no official page that names or ranks them, so we leave them unnamed rather than guess at a viewpoint you may not find. Ask at the pier or at your lunch stop, and let a local point you to a favourite.

TAT's Pattaya page says Koh Lan can be visited on a day trip, with minibuses and motorbike taxis on the island.³⁴ That matches how the listings in our set are built. The Bangkok departure in our set leaves 3.5 hours for the island itself, lunch and a swim included, a Pattaya departure leaves 4 hours for sightseeing, swimming and snorkeling, and a multi-stop adventure trip leaves only 1 hour of free time after parasailing and Koh Sak.

What that tells you is that the island time of a tour is a choice, not a given. A trip built around the Sanctuary of Truth spends its day on the road and in the temple, while a trip built around the water gives the island a short slot at the end. Read the stop list for the hours at Koh Larn itself before you compare prices, because a cheaper ticket may simply hold less island. The hours at the beach are the part you came for, and the ride and the lunch slot are the part you pay around.

Staying longer is possible. The report shows accommodation and restaurants on Koh Sak, and the main island has its own villages and services.⁹ Whether an overnight suits you depends on the evening you want. A day visitor sees the island in daylight at its busiest, and a guest sees the quiet that follows. Whichever you choose, check the time of the last boat back before you settle onto a beach chair.