The Aquarium at Montague Island is a reef site offering depths between 2 and 18 metres, with an average depth of 12 metres. This site is accessible only by boat, requiring a crossing from Narooma that can be hazardous due to swells and bar conditions. Divers and snorkellers experience visibility ranging from 10 to 30 metres. While the site is suitable for beginners, conditions vary, and moderate currents or down currents near vertical walls may occur. Strong swells can create surge close to the island. Facilities including air fills, equipment rental, and guided tours are available through local boat charters.

The Playground at Montague Island offers a diverse underwater landscape featuring reef, kelp forest, cavern, and drop-off topography. Located 9 kilometres offshore, this site is accessible only by boat. Depths range from 3 to 35 metres, with an average depth of 10 metres, making it suitable for beginners. Visibility varies between 10 and 40 metres. Divers should be aware of moderate currents and potential surge near the island. Boat traffic is a hazard in the area, and the Narooma bar crossing requires experienced boat operators. Facilities including parking, toilets, air fills, equipment rental, and a cafe are available in Narooma.

South Reef at Montague Island is a pinnacle site featuring depths ranging from 5 to 40 metres with an average of 18 metres. This boat-only dive is suited for intermediate divers due to strong currents and variable conditions. Visibility typically spans 10 to 30 metres. Water temperatures fluctuate between 16C and 21C, necessitating a 5mm or 7mm wetsuit depending on the season. Divers must remain vigilant regarding boat traffic and potential surge. The site is accessible via local boat charters and guided tours from Narooma, with typical dive times around 60 minutes.

Narooma Wharf is a shore-entry drift dive located at Montague Island, Australia. This site features an artificial reef structure with depths ranging from 1 to 8 metres, averaging 6 metres. Divers can encounter species including the Eastern Blue Groper, Long-nosed Fur Seal, and various rays such as the Smooth Ray, Eagle Ray, and Fiddler Ray. Other notable sightings include the Pot-bellied Seahorse, Blue-ringed Octopus, and Pineapplefish. The site is subject to strong currents and active boat traffic, requiring careful planning and proximity to the wharf pilings. Visibility typically ranges from 10 to 30 metres. Facilities including parking, toilets, and equipment rental are available nearby.

Bar Beach South is a protected shore entry site located near the mouth of the Wagonga Inlet. Featuring extensive seagrass beds, the site offers shallow depths ranging from 2 to 5 metres, with an average of 3 metres. It is well suited for beginners due to mild currents and calm conditions provided by a break wall and netting. Divers and snorkellers can encounter species including the common Sydney octopus, smooth rays, wrasses, and rock cod. Rarer sightings include the pot-bellied seahorse, blue-ringed octopus, and striate anglerfish. Visitors should remain aware of boat traffic near the inlet entrance and the presence of jellyfish.

Mystery Bay Rock Pool is a sheltered shore entry site in New South Wales, Australia, suitable for beginners and snorkellers. The site features a rocky reef structure that provides a calm environment for underwater exploration. Divers and snorkellers may encounter Eastern Blue Groper, Port Jackson Shark, wrasses, and Smooth Toadfish. Other marine life recorded at the site includes sea stars, crabs, abalone, bream, luderick, and silver sweep. While the rock pool is protected from large waves, visitors should observe the water from the shore before entry to identify potential rip currents in the wider bay area. Parking is available for site access.

Mystery Bay is a shore-entry reef dive in New South Wales suitable for beginners. The site features depths ranging from 8 to 15 metres, with an average of 12 metres. Divers can expect visibility between 10 and 30 metres. Marine life recorded at the site includes Port Jackson sharks, Eastern Blue Gropers, Blue Throated Wrasse, and various wrasses. Other inhabitants include Giant Feather-duster Worms, Smooth Toadfish, sea stars, crabs, bream, luderick, silver sweep, sea squirts, and snails. Divers should be cautious of sharp coral, surf, and surge. Entry is best at low tide, shuffling feet to avoid sharp rocks. Be aware of moderate currents and the shore break.

Potato Point is a shallow reef site located near Montague Island, Australia, offering a consistent depth of 10 metres. Divers can access the reef via shore or boat, with visibility ranging from 10 to 30 metres. The site features a moderate current and is exposed to surf, particularly on the southern side. Due to the presence of rip currents and breaking waves, this site is not recommended for novices. Facilities at the location include showers. Divers should exercise caution regarding sea urchins on the reef structure and carefully scout the shoreline before attempting a shore entry to avoid strong rips near the rocks.