There are a handful of diving outfits that you can choose from on Koh Rong Samloem. EcoSea has bungalows on the island, at EcoSea Dive and Bungalows, and is serviced by the fast boat Speed Ferry. They offer fun dives as well as SSI- and PADI-certified courses. PADI Open Water costs from $320 for a three-day course. Their instructors come from Canada, the UK and Japan and are said to be good. ... Read more about Diving and snorkelling .
When the beach gets just too lazy, head off into the jungle to see the interior of the island, and spot a monkey or hornbill. Footpaths of varying difficulty connect Saracen Bay to the western beaches and the southern lighthouse. Saracen Bay to Lazy Beach is an easy 20-minute walk on a flat sandy path through jungle and open scrubland. The trail begins just past Sun Island Eco Village resort ... Read more about Walking and trekking .
The Travelfish newsletter is sent out every Monday and is jammed full of free advice for travel in Southeast Asia. You can see past issues here.