Butterfish Bay on Great Keppel Island offers a shallow reef environment suitable for beginners. Depths range from 2 to 5 metres, with visibility typically between 10 and 25 metres. The site features hard corals and plate coral formations. While currents are generally mild, they can strengthen, and it is recommended to dive at high slack tide. The bay is protected from south-easterly winds, providing calm conditions. Species recorded around this area include hawksbill sea turtles, ornate wobbegongs, epaulette sharks, and various wrasses and rock cod. Divers should be aware of boat traffic and the presence of jellyfish, with thin lycra suits recommended for protection.

Shelving Beach, also known as Big Peninsula or Secret Beach, is a sheltered reef site located off Great Keppel Island. The reef structure extends from the surface to a maximum depth of 12 metres, making it suitable for beginners. Divers and snorkellers encounter branching and massive corals, blue barred parrotfish, butterflyfish, and nudibranchs. Green sea turtles and stingrays are frequently spotted, with reef sharks occasionally passing through the area. Conditions include mild currents and water temperatures ranging from 20C to 28C. Access is by boat, and visitors should remain aware of boat traffic when surfacing. Visibility can shift noticeably, so checking local reports before heading out is recommended.

Wreck Beach is a reef dive site located off Great Keppel Island, Australia. The site features a reef structure composed of hard corals, situated at depths between 10 and 15 metres. It is suitable for beginners due to the moderate depth and mild currents. Access to the site is by boat, and divers should remain vigilant regarding boat traffic during surface intervals and ascents. Visibility at this location is variable and can change daily, so it is recommended to check local conditions before departure. Divers should monitor their depth and time throughout the dive and use a surface marker buoy for safety.

Bald Rock is a reef and cave site located off the eastern side of Great Keppel Island, Australia. Suitable for intermediate divers, the site features depths ranging from 6 to 18 metres with an average of 10 metres. Access is strictly by boat, and the site is only reachable during calm conditions due to its exposed location. Divers should be prepared for moderate currents that can strengthen with little warning. Species recorded around this area include various wrasses, rock cod, coral trout, and rays. Due to the potential for strong currents and the presence of lionfish, booking a guided tour is recommended to navigate the reef structure safely.

Man and Wife Rocks is a boat-accessible site located off Great Keppel Island, featuring a combination of shallow reef, a drop-off wall, and drift diving opportunities. The topography ranges from 6 metres to 25 metres, with an average depth of 18 metres. The site is defined by strong currents that flow between the two main rocks, requiring divers to be prepared for moving water. Visibility typically ranges between 10 and 20 metres. Due to the significant current, this site is best suited for those comfortable with drift diving. Access is strictly by boat, and local operators provide guided tours, equipment rental, and air fills.

Wreck Beach on Great Keppel Island offers a manageable reef environment for beginners, with depths ranging from 4 to 15 metres and an average of 8 metres. The site is protected from northerly winds, resulting in mild currents and visibility between 7 and 16 metres. A notable feature is the ancient brain coral, which serves as a central landmark. Species recorded around this area include Hawksbill sea turtles, Wobbegong sharks, Epaulette sharks, and various reef fish such as wrasses and rock cod. Shore and boat entries are both available, and local guided tours are offered to assist in locating specific marine life and reef structures.

Red Beach is a reef site located at Great Keppel Island, Australia, suitable for beginner divers. The site reaches depths of up to 18 metres and features mild currents, making it a manageable location for those building underwater confidence. Access is strictly by boat, and divers must remain vigilant regarding boat traffic when entering, exiting, and performing surface checks. Water temperatures fluctuate between 20C and 28C throughout the year. As conditions vary, divers should monitor local reports before planning their visit. Always maintain neutral buoyancy to protect the reef structure and shuffle feet in the shallows to avoid disturbing marine life.

Observatory is a shallow artificial reef and wreck site located off Middle Island, Australia. With depths ranging from 2 to 6 metres, it is well-suited for beginners and snorkellers. Access is by boat only, and the site is situated 15 kilometres from the shore. Currents are generally mild, though diving during slack tide is recommended to maintain visibility, which fluctuates between 5 and 30 metres. Species recorded around this area include hawksbill sea turtles, ornate wobbegongs, epaulette sharks, nudibranchs, and various reef fish such as rock cod, wrasses, and coral trout. Divers should remain aware of boat traffic and the presence of jellyfish, which are more common from November to April.