The Troy D is a purpose-sunk wreck located off Eaglehawk Neck, resting at depths between 18 and 24 metres. This artificial reef offers an intermediate-level dive requiring boat access from Triabunna. Divers can expect visibility ranging from 10 to 20 metres with generally mild currents. The structure features overhead environments, including an engine room, which necessitate the use of a dive light and careful buoyancy control. Species recorded around this area include wrasses, Southern Rock Lobster, abalone, crabs, sea stars, and snails. Due to water temperatures between 12 and 18C, a high-quality wetsuit or drysuit is recommended for the typical 45-minute dive duration.

Little Nook Bay at Eaglehawk Neck offers a sheltered shore dive suitable for beginners. The site features a reef environment dominated by kelp forests, with rocky surfaces hosting sponges, jewel anemones, and yellow zoanthids. Divers may encounter weedy seadragons among the kelp fronds. Depths range from 1 to 10 metres, with an average of 5 metres. Visibility is excellent, typically between 15 and 35 metres. While the bay is generally calm with mild currents, divers should remain aware of potential surges and swells when moving away from the shore. Due to water temperatures ranging from 12C to 18C, a 7mm wetsuit or drysuit is recommended for comfort.

Spring Beach at Eaglehawk Neck is a shore-accessible reef dive suited to beginners. The site features a shallow reef profile with depths ranging from 6 to 7 metres, averaging 5 metres. Divers and snorkellers should be aware of variable visibility between 5 and 12 metres and mild currents. Entry and exit require caution due to potential surf and rip currents. Facilities at the site include parking and toilets. Because conditions can shift, it is recommended to assess the water before entering. The site is generally accessible year-round, though local conditions dictate the quality of each visit.

Millingons Beach at Eaglehawk Neck is a straightforward shore dive suitable for beginners. Divers enter directly from the beach to explore depths ranging from 5 to 12 metres, with an average depth of 8 metres. The site features a sandy bottom and surrounding reef, with visibility typically between 5 and 12 metres. Currents are mild, though divers should remain aware of potential surge. Water temperatures are cool, ranging from 12C to 18C, necessitating a thick wetsuit with hood and gloves year-round. Facilities including parking and toilets are available on site.

Ile de Phoques, located off Eaglehawk Neck, is a marine site defined by its reef, cave, and cavern topography. Divers can explore depths reaching 20 metres with visibility ranging from 12 to 40 metres. Access is strictly by boat, and the site is suited for intermediate divers due to the presence of overhead environments, strong currents, and cold water temperatures. A thick wetsuit of at least 7mm or a drysuit is recommended year-round. Hazards include cold water, deep sections, overhead environments, and the potential presence of sharks. Snorkelling is not recommended at this location.

Mayfield Bay on the Tasman Peninsula is a shore-entry site featuring a reef and kelp forest environment. Suitable for beginners, the site offers depths ranging from 2 to 12 metres with an average of 7 metres. Divers should be prepared for cold water temperatures between 12 and 18C, necessitating the use of a wetsuit. Visibility typically fluctuates between 5 and 12 metres. Hazards include boat traffic, surf, surge, jellyfish, sea urchins, and potential rip currents. As the area is unpatrolled, divers should exercise caution. Facilities at the site include parking and toilets, supporting a typical dive duration of 45 minutes.

Spiky Beach on the Tasman Peninsula is a shore-entry reef site suitable for beginners. The topography features dark dolerite rock outcrops and a reef structure that reaches depths between 2 and 12 metres, with an average depth of 7 metres. Conditions are moderately protected with mild currents and gentle waves, though divers should be aware of potential surf and surge. Visibility typically ranges from 5 to 8 metres. Due to water temperatures fluctuating between 12 and 18C, a wetsuit with thermal protection is essential year-round. Parking is available at the site, and a typical dive lasts approximately 45 minutes.

Pirates Bay in Fortescue Bay features a diverse underwater topography including reef, kelp forest, caves, and wreck sites. The area offers a wide depth range from 3 to 45 metres, suitable for intermediate divers. Visibility varies significantly from 9 to 40 metres, influenced by swell and seasonal conditions. Access is strictly by boat, and divers must manage moderate currents, surge, and cold water temperatures ranging from 13C to 18C. Due to the presence of kelp, caves, and potential for low visibility, careful buddy contact and gas management are required. Night diving is permitted. Snorkelling is possible but rated 1/5 due to the site characteristics.