Dolphin Bay on Kangaroo Island is a shore-accessible reef site known for its calm, shallow waters. The bay is reasonably protected, making it suitable for beginner divers and snorkellers. Entry is direct from the shore, with parking available on-site. While the bay is generally calm with mild currents, visitors must remain aware of potential rip currents and large swells that can affect beaches in the area. Conditions can vary, so checking the water before entry is essential. The site is most accessible during the summer months, which offer the most favourable conditions for water activities.

The Gap is a reef dive located 500 metres offshore from Kangaroo Island, Australia. This site is reserved for advanced divers due to moderate currents and potential surge. The reef structure features ledges and crevices, with working depths between 10 and 15 metres. Visibility varies from 5 to 15 metres. A boat is required for access, and a wetsuit is recommended throughout the year due to the Southern Ocean water temperatures, which range from 15 to 20C. Species recorded around this area include wrasses, sea stars, bullseyes, crabs, abalone, snails, hard coral, and triplefins. Always confirm local conditions and boat operator availability before planning a dive.

Chinaman's Hat is a diverse reef site located 200 metres offshore from Kangaroo Island. The topography features complex cave systems, seagrass beds, and reef structures at depths ranging from 2 to 15 metres. This site is suitable for advanced divers due to moderate currents and exposure to surf, which can create challenging conditions. Entry is possible via boat or from the shore. Divers should exercise caution regarding swell and tidal flow, as the site is located near a known surfing break. A 7mm wetsuit or drysuit is recommended to manage water temperatures that fluctuate between 15C and 20C throughout the year.