Sponge Heaven in Milne Bay is a sheer wall dive that begins at a shallow shelf just 1 metre below the surface and plunges to depths exceeding 107 metres. The wall topography is honeycombed with small caves and features a variety of sponges. Access to this site is by boat only. Conditions are characterised by mild currents, making it suitable for advanced divers. The site is also well-suited for night diving. Water temperatures remain consistent throughout the year, ranging between 25C and 27C.

Barracuda Point in Milne Bay is a reef and wall site featuring a shelf that drops to approximately 31 metres. This site is accessed by boat and is suitable for intermediate divers and snorkellers. Conditions are variable, with currents ranging from mild to moderate and visibility reaching 30 metres. Water temperatures remain warm throughout the year, fluctuating between 27C and 30C. The topography consists of a distinct point and shelf structure. Divers should be aware of the presence of sharks at this location. Typical dives at this site last for 60 minutes.

Coral Garden in Milne Bay is a reef site featuring a collection of hard corals located in shallow water. The site is accessible by boat and is suitable for beginners, with depths ranging from 5 to 25 metres and an average depth of 10 metres. Divers and snorkellers can expect mild currents and visibility between 10 and 30 metres. Water temperatures remain warm throughout the year, ranging from 27C to 30C. Species recorded around this area include various wrasses, nudibranchs, angelfish, butterflyfish, and groupers. Hazards at this site include boat traffic and currents. Guided tours and equipment rental are available.

Deacon's Reef in Milne Bay is a reef and wall site featuring depths ranging from 8 to 30 metres, with an average depth of 10 metres. The site is accessible only by boat and offers visibility between 15 and 40 metres. Currents at the site are variable. It is suitable for beginners and provides opportunities for wide-angle photography. Species recorded around this area include wrasses, Harlequin Sweetlips, various nudibranchs such as Chromodoris and Banana nudibranchs, and several butterflyfish species. Sharks are present as a potential hazard. Facilities available include parking, toilets, showers, changing rooms, air fills, equipment rental, and guided tours.

Dinah's Beach in Milne Bay is a muck diving site located directly off a 400 to 500 metre long pebble beach. Divers enter from the shore to explore depths ranging from 7 to 25 metres, with an average depth of 12 metres. The site features moderate currents and visibility typically between 15 and 50 metres. Water temperatures remain warm, ranging from 27C to 30C throughout the year, though conditions are often 1 to 2C cooler than the surrounding Milne Bay area. This site is suited for advanced divers. Facilities available include parking, toilets, showers, changing rooms, a rinse station, air fills, equipment rental, and guided tours.