Ko Sak is a small island off Pattaya, located in Moo 7, Na Kluea subdistrict, Bang Lamung district, Chonburi province, about 600 meters north of Koh Lan. It has a horseshoe shape and features two sandy beaches on its north and south sides, as well as a coral reef.

Ko Sak is a small, private, horseshoe-shaped island located just 600 meters from Koh Lan and 10 kilometers from the mainland of Pattaya. It is known for its numerous snorkeling spots and fine white sand beaches, making it ideal for a day trip.

Interesting activities: Snorkeling

There are shallow coral reefs and schools of fish. Picturesque viewpoints and photo opportunities.

The island's shape creates beautiful, curved bays with clear, calm water.

Stand-up paddleboarding, kayaking and swimming.

Getting there: From Laem Bali Hai Pier (or by boat from Koh Lan) prices start at around 500 THB per person.

Rent a boat at Pattaya's South Pier. The journey takes approximately 20 minutes.

Prices and travel times can be negotiated directly at the pier.

Services offered include speedboat transfers from Na Ban Pier (Koh Larn) or Laem Bali Hai, snorkeling equipment for coral observation at Koh Sak, accident insurance, and some providers also offer short water sports activities (such as jet skiing or banana boating).

Complete package including activities and meals.

Price approx.: 1,000 – 1,800 THB / person

Includes transfers from hotels in Pattaya, speedboat, lunch, drinks and a wide range of water sports activities such as parasailing, seawalker, snorkeling and drone filming.