Polhena Reef is a shallow coral reef located 200 metres from the shore in Mirissa, Sri Lanka. This site is suitable for beginners, offering an average depth of 7 metres with a maximum of 12 metres. Divers typically experience mild currents and visibility ranging from 5 to 25 metres. The site is accessed directly from the shore and is well-supported by local facilities, including parking, showers, and air fills. Dives here generally last around 60 minutes. Hazards to be aware of include jellyfish, sea urchins, and sharp coral. The water temperature remains consistent throughout the year, ranging between 28 and 30 degrees Celsius.

Octopus Reef in Mirissa is a remnant of an old coral reef featuring a sandy bottom and remaining coral structures. The site is well-suited for macro photography due to the presence of nudibranchs and small critters. Divers can expect depths ranging from 8 to 22 metres, with an average depth of 16 metres. Access is by boat only. Conditions are generally mild with visibility between 10 and 25 metres. Water temperatures remain consistent between 28 and 30 degrees Celsius. Divers should be aware of sharp coral hazards. The site is suitable for beginners, and the habitat supports a variety of reef fish and invertebrates.

Rock Wall is a rocky reef located 500 metres off the coast of Mirissa. The site is characterised by massive rock boulders that create a complex topography for divers to navigate. With depths ranging from 8 to 25 metres and an average of 15 metres, it is suitable for beginner divers. Access is by boat only. Conditions are generally stable with mild currents and visibility between 10 and 25 metres. Water temperatures remain consistent throughout the year, typically between 28 and 30 degrees Celsius. Divers should remain aware of boat traffic in the area during their 45-minute dives.

Moray Point is a rocky reef ridge extending for two kilometres off the coast of Mirissa. The site features a depth range of 14 to 40 metres, making it suitable for divers of various experience levels. Access is exclusively by boat, with the site located 1000 metres from the shore. Divers should be prepared for moderate currents and variable visibility between 8 and 15 metres. Water temperatures remain consistent throughout the year, ranging from 26 to 29 degrees Celsius. Facilities available at the shore base include parking, toilets, showers, changing rooms, a rinse station, equipment rental, and boat charter services.

Commander PH museum is an artificial reef and sculpture garden located 200 metres off the coast of Mirissa, Sri Lanka. This site was purpose-sunk to function as a habitat for marine life. Divers can expect depths ranging from 15 to 18 metres, with an average depth of 18 metres. Access is by boat only. Conditions are generally mild with visibility varying between 10 and 25 metres. Water temperatures remain consistent throughout the year, typically between 28C and 30C. The site is suitable for beginners, with typical dive times lasting around 35 minutes. Divers should be aware of the presence of jellyfish and stonefish in the area.

Yala Rock is a reef dive located off the south coast of Sri Lanka, accessible only by boat. The site features a reef structure spanning depths of 18 to 24 metres. Divers can expect visibility ranging from 10 to 30 metres. Water temperatures are consistent, remaining between 28 and 30 degrees Celsius throughout the year. While the current is generally mild, the site can experience strong currents, and divers should remain close to the boat while monitoring conditions. This site is suited for intermediate divers. Check locally for boat operator information and confirm sea conditions during monsoon transition periods.

Dispa Rock is a reef site located off the coast of Mirissa, Sri Lanka. Reached exclusively by boat, the site features depths ranging from 27 to 30 metres. Conditions at this location are variable, with both visibility and currents shifting unpredictably between visits. Divers should consult their operator regarding current conditions before departure to plan their profile accordingly. Given the depth, divers must remain mindful of their training limits and monitor their depth gauges throughout the dive. As there are no facilities at the site, all equipment and refreshments must be prepared before leaving the shore.

Tangalle reef is a marine site located off the coast of Mirissa, Sri Lanka, featuring a combination of natural reef and artificial reef structures. The topography consists of a gently sloping reef system interspersed with large coral bommies and rocky outcrops. Divers can expect depths ranging from 10 to 18 metres, with an average depth of 12 metres. Access to the site is by boat, located approximately 4828 metres from the shore. Conditions are generally mild with visibility between 10 and 25 metres. The site is suitable for beginners and supports night diving. Facilities available include air fills, equipment rental, and guided tours. Be aware of sharp coral present at the site.