The Earl of Shaftesbury is a historic steel four-mast sailing ship dating from the 1820s that sank following an onboard fire. Resting on a sandy bottom at depths between 12 and 15 metres, the wreck offers an average depth of 14 metres. Access to this site is by boat, with dives typically lasting around 35 minutes. Conditions are generally mild, though visibility can fluctuate significantly between 5 and 30 metres. Divers should be aware of potential entanglement hazards while exploring the structure. The site is suitable for beginners and is well-supported by local facilities including equipment rental, air fills, and guided tours.

The Conch is a wreck dive located 3000 metres off the coast of Hikkaduwa, Sri Lanka. Resting at depths of 20 to 21 metres, this site requires boat access. Divers experience mild currents and visibility ranging from 5 to 10 metres. The wreck presents an overhead environment with potential entanglement risks, making it suitable for intermediate divers with strong buoyancy control. A torch is recommended for navigating the structure. Water temperatures remain stable between 28 and 30 degrees Celsius. Species recorded around this area include Green Sea Turtles, various moray eels, Indian Lionfish, and several species of triggerfish, surgeonfish, and wrasses.

Kirala Gala is a reef and pinnacle site located 1000 metres off the coast of Hikkaduwa. The topography features a descent from 20 to 40 metres, requiring intermediate skill levels and solid buoyancy control. Divers experience mild currents and visibility ranging from 10 to 30 metres. Due to the depth and potential for surge, careful gas management is essential. Access is by boat only, and divers should remain aware of boat traffic in the area. Deploying a surface marker buoy before the safety stop is recommended. Conditions vary with seasonal swells, so local checks are advised before planning a dive.

The SS Conch is a historic steam-powered oil tanker that sank in 1903 after striking a rock. Located 3000 metres offshore from Hikkaduwa, this wreck sits at depths ranging from 10 to 22 metres, with an average depth of 17 metres. The site is well-preserved, offering opportunities for penetration into the cabin area. Divers should be prepared for moderate currents, surge, and potential overhead environments within the structure. Due to the depth and hazards including entanglement and variable visibility between 5 and 15 metres, this site is suited for intermediate divers. Access is strictly by boat, with typical dives lasting approximately 53 minutes.

Thunatta Gala is a reef site located 1500 metres offshore from Hikkaduwa, Sri Lanka. The site maintains a consistent depth of 11 metres, making it suitable for beginner divers. Access is exclusively by boat, and divers should be prepared for moderate currents. Visibility at the site varies significantly, ranging from 5 to 25 metres. Water temperatures are warm throughout the year, typically between 28C and 30C. Divers should exercise caution regarding sharp coral present on the reef. Local facilities in Hikkaduwa provide air fills, equipment rental, and guided tours for those visiting the area.

Black Coral Point in Hikkaduwa is a deep reef and artificial reef site suited for advanced divers. Access is by boat only, as the site is located in open water. Divers can expect depths ranging from 17 to 35 metres, with an average depth of 25 metres. Conditions include moderate currents and a surge, with visibility typically between 10 and 30 metres. Water temperatures remain consistent throughout the year, ranging from 27 to 29 degrees Celsius. Hazards at this site include sharp coral, strong currents, and surge. Due to the depth and conditions, this site is recommended for experienced divers only.

Conch Wreck is a marine dive site located 1000 metres offshore from Hikkaduwa, Sri Lanka. This wreck site sits at a consistent depth of 10 metres and is accessible only by boat. Divers should be prepared for moderate currents and variable visibility ranging from 5 to 30 metres. The water temperature remains warm throughout the year, typically between 28 and 30 degrees Celsius. Due to the nature of the site, divers must be aware of potential hazards including entanglement, surge, and the overhead environment of the wreck structure. This site is suitable for beginner divers, with typical dives lasting approximately 50 minutes.

Lagoon Reef is a marine site located 1500 metres off the coast of Hikkaduwa, Sri Lanka. This reef is situated at depths ranging from 7 to 12 metres, with an average depth of 9 metres, making it suitable for beginner divers. Access is by boat only. Divers should be aware of mild currents and potential surges that can develop without warning. Water temperatures remain warm between 28 and 30 degrees Celsius throughout the year. Due to the presence of stonefish and lionfish, divers must exercise caution regarding where they place their hands and fins on the reef structure. Visibility at the site typically ranges from 5 to 10 metres.