Koh Larn is a small island located in the Gulf of Thailand, just off the coast of Pattaya in Chonburi province. Known for its pristine beaches, coral reefs, and laid-back atmosphere, it offers a quieter alternative to the bustling Pattaya mainland. The island is a popular day-trip destination for diving, snorkeling, swimming, and beach relaxation.
Koh Larn offers crystal-clear waters ideal for snorkeling and diving, with vibrant coral reefs and marine life accessible to visitors of all skill levels. Its unspoiled beaches and serene environment provide a perfect escape from the commercialized tourism of mainland Pattaya.
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Check live entry documents and quarantine rules for Thailand.
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boat and equipment rental included
Time
Half day
Cost
THB 400*–THB 800*
Effort
Easy
certification required for some dives
Time
Full day
Cost
THB1.5k*–THB2.5k*
Effort
Moderate
Time
Half day
Cost
Free
Effort
Easy
boat tour with multiple stops
Time
Full day
Cost
THB 600*–THB1.2k*
Effort
Easy
boat rental and fishing equipment
Time
Half day
Cost
THB 800*–THB1.5k*
Effort
Easy
equipment rental available
Time
Half day
Cost
THB 200*–THB 500*
Effort
Easy
This destination has a temperate climate with temperatures ranging from 26°C to 31°C annually.
Climate averages based on 10-year historical data · Open-Meteo
Pleasant weather, lighter crowds — the sweet spot.
Busiest months — book stays & transport early.
Quietest window with the lowest prices.
From Pattaya city center, travel to Bali Hai Pier or Na Jomtien Pier. Ferry boats depart regularly to Koh Larn, with journey time of 30-40 minutes depending on sea conditions and destination beach on the island.
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