Than Sadet Reef

แนวปะการังธารเสด็จ

Royal Waterfall Beach Reef

Beginner Peak Season

A small reef near the famous royal waterfall beach, combining above-water hiking with below-water exploration.

Depth Range

1–6m

Site Type

snorkeling

Koh Phangan

Visibility

3–10m

27–30°C

Getting There

Shore entry

East coast of Koh Phangan

Live 7-Day Conditions — Than Sadet Reef

SST ~31°C

Sun
14 Jun

65

good

14km/h W
0.1m

Mon
15 Jun

54

marginal

18km/h SW
0.3m

Tue
16 Jun

54

marginal

16km/h W
0.3m

Wed
17 Jun

56

marginal

17km/h SW
0.2m

Thu
18 Jun

57

marginal

19km/h SW
0.3m

Fri
19 Jun

60

good

16km/h SW
0.3m

Sat
20 Jun

60

good

20km/h W
0.3m

Marine Life

Reef Fish Anemonefish

Notable Features

• Combined waterfall and reef experience
• Royal historic site
• Nature day trip

Best Time to Visit

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Peak Good Now

About Than Sadet Reef

Than Sadet is famous for its waterfall that Thai kings have visited for centuries. The reef at the beach below is modest but combines nicely with a waterfall hike for a full day of nature. Snorkeling is best in calm months when the east coast is protected.