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This beach has been of historical importance since the reign of King Mongkut when he viewed a full-moon eclipse there. A long atmospheric sandy beach fringed by pine trees.
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Phraya Nakhon (or Phra Thi Nang Khuha Kharuhat) in the cave which is a Thai-style pavilion. It was first built during the reign of King Chulalongkorn before being dismantled and reconstructed here. You can hike approx. 1h to the cave directly from the parking lot (you will be offered a boat for 400 baht which saves you about a third of the hike). There is a viewpoint on Khao Daeng which is 400 km from the park office and Ban Khao Daeng. The latter offers boat trips to watch wild birds (a boat trip means that a bored local drives you around and doesn't say much).
With an area of 98 km², it is renowned for its limestone mountains, mangrove swamps, beaches, and several species of local and migrating birds during the cool season. There are many ridges with the most popular being Khao Sam Roi Yot with 300 peaks.
On Hat Sai Noi, one of the nicer little beaches in the area. Charming resort. Offers an attractive package for day-trippers: 300 baht per adult, 150 baht for kids 4-12 for use of the pools, a couple free drinks, towels, Wi-Fi. Shuttle from Market Village to hotel and back four times daily. German-run and it runs like clockwork. Restaurant on premises and two others adjacent. Free Wi-Fi. Hotel guests get free breakfast for two, welcome drink. Pet friendly.