Scuba diving and Snorkeling in Sihanoukville thrives due to the area's favorable topographical features. Offshore waters are warm but it is better to dive out by neighboring islands. Snorkeling can be impressive around the nearby islands which consist of rocky reefs, shallow waters, and colorful fish. Snorkeling and diving from December to June is the best feature and relaxing time because the water is cooler and clearer than the rest of the year. Professional guidance is offered on the beach to assist divers and the snorkelers.
Diving has been part of the Sihanoukville scene and October to June become the busiest period. The most talked-about dive sites are Koh Rung Samloem and Koh Kon which are quite near the city.
The dive shops include Scuba Nation, Tel: +(855) (0)12-604680, or Eco Sea Dive, Tel: +(855) (0)12-654104.