Portland Roads is a sheltered bay near Lockhart River that serves as a protected anchorage. This shore dive offers a shallow reef environment with depths ranging from 1 to 5 metres, averaging 2 metres. Conditions are generally relaxed with mild currents and visibility varying between 5 and 30 metres. The site is suitable for beginners. Facilities available at the location include a cafe and toilets. Divers and snorkellers should be aware of the presence of crocodiles in the area and exercise caution regarding box jellyfish, which pose a significant risk between November and May.

Quintell Beach in Lockhart River is a shallow shore entry reef site with a depth of one metre. While the site is accessible from the shore, it presents extreme danger due to regular crocodile sightings in the area. Swimming and snorkeling are not recommended at this location. Facilities including toilets and parking are available on site. Visitors should consult with locals or park authorities regarding crocodile activity before considering any water entry. The site is primarily suitable for walking along the beach.

Southern Small Detached Reef is a technical diving destination in the Far Northern Outer Reefs, characterised by a dramatic wall that drops from 3 metres to 100 metres. The site features shallow reef tops leading to a sheer vertical face. Visibility ranges from 10 to 40 metres, requiring careful depth management to avoid drifting deeper than planned. Currents are generally mild, though they can strengthen near the wall. Access is by boat only, and the site is suited to intermediate divers with strong buoyancy control and awareness. Divers should monitor air supply and ascent rates closely due to the significant depth profile.

Bligh Reef is a remote wall site located 60 kilometres from the Queensland coast. The reef structure drops steeply, with depths ranging from 25 to 60 metres and an average depth of 45 metres. Due to the significant depth and potential for strong currents, this site is suitable only for advanced divers. Access is exclusively by boat. Visibility typically ranges between 20 and 50 metres, and water temperatures remain between 25 and 28C. Divers should be aware of hazards including sharks and stonefish, and the remote nature of the location requires thorough planning and self-sufficiency. Facilities available include air fills, equipment rental, guided tours, and boat charters.