Rosemary Island in the Dampier Archipelago is a boat-access reef site suited for advanced divers. The topography features reef structures that require careful management of moderate currents and surge. Visibility is highly variable, ranging from 2 to 25 metres depending on local conditions. Surface chop and swell can be difficult to predict, necessitating careful monitoring of the environment before descent. The site is also rated for snorkelling. Divers should check locally for up-to-date conditions and boat traffic patterns before planning a dive. Water temperatures remain warm throughout the year, fluctuating between 24C and 30C.

Withnell Bay in the Dampier Archipelago provides a shallow shore dive and snorkel experience across reef and seagrass habitats. Located 50 metres from the shore, the site reaches depths of 5 to 6 metres with an average of 5 metres. Visibility typically ranges from 5 to 10 metres. Divers should manage mild currents by planning dives around the slack of the high tide. The site is suitable for beginners, with a typical dive duration of 45 minutes. Parking is available at the entry point. Be aware of boat traffic, particularly on weekends, and use a dive flag for safety. Watch for sharp coral when entering or exiting the water.

Located 45 kilometres offshore, the Dampier Archipelago offers a diverse underwater environment ranging from shallow 5-metre seagrass beds to 40-metre deep reef structures. The site features both hard and soft corals, providing habitat for a variety of reef fish and invertebrates. Due to tidal ranges reaching 5 metres, divers must be prepared for moderate currents and potential surface chop. Visibility is highly variable, ranging from 2 to 25 metres. This site is best suited for intermediate divers comfortable with current and surge. Boat access is required, and visitors should remain vigilant regarding local boat traffic.

Delambre Island in the Dampier Archipelago features a shallow reef system suitable for beginners. Snorkellers can explore depths ranging from 2 to 6 metres, with an average depth of 4 metres. Access is by boat, as the site is located 20 kilometres from the shore. Visibility is variable, fluctuating between 2 and 25 metres. The reef environment supports a variety of marine life, including reef fish and invertebrates typical of the region. Hazards include sharp coral, surf, and the presence of sharks and jellyfish. A stinger suit is recommended, and a dive flag should be displayed due to frequent boat traffic in the area.