Twin Ridge is a freshwater artificial reef site located in Philpott Lake. The site is accessible via a shore entry, though users should remain cautious of active boat traffic in the area. Water temperatures fluctuate significantly throughout the year, ranging from near-freezing in winter to the mid-70s °F during summer months. The site features shallow margins near the docks, providing a suitable environment for beginners to snorkel. Facilities available at the location include parking, toilets, showers, and a rinse station. Equipment rental, air fills, and guided tours are provided by the local dive shop.

Salthouse Branch at Philpott Lake is a shore-access site characterised by a rocky bottom, which contributes to relatively clear water conditions. Divers and snorkellers can explore small rocky outcrops and areas of underwater vegetation along the shoreline. The site is suitable for beginners, though conditions vary; water temperatures fluctuate from the mid-40s°F in spring to the upper 70s°F in summer. Divers should be aware of hazards including cold water, significant depth, and strong currents. Facilities available at the site include parking, toilets, showers, and air fills. The habitat supports various temperate freshwater fish and invertebrates typical of the region.

Deer Island Coves, located in Philpott Lake, provide a remote snorkeling experience accessible exclusively by boat. The site is characterised by a lack of shore development, which contributes to high water quality throughout the coves. Due to the nature of the environment and the requirement for boat access, this site is best suited for intermediate snorkelers. The topography consists of small, natural coves that offer a quiet setting for water activities. Divers and snorkelers should be prepared for boat-only entry and exit procedures when visiting this area.

Bowens Creek Falls is a freshwater snorkel site located in a quiet cove at Philpott Lake. The site features submerged rock ledges and is accessible only by boat. Snorkellers can expect depths ranging from 1 to 5 metres, with an average depth of 3 metres. Visibility typically varies between 5 and 15 metres. The water temperature is notably cooler than the main lake, particularly during summer months, and winter conditions can approach near-freezing temperatures. Due to the potential for cold water and boat traffic, this site is best suited for intermediate snorkellers. Facilities available at the location include toilets, showers, changing rooms, and parking.

Blue Falls Cliffs features dramatic vertical rock faces and deep crevices, remnants of the historic Smith River falls. The site is characterised by blue-tinged rock cliffs that extend underwater, creating a wall and drop-off topography. Access is by boat only, and the site is suited for advanced snorkellers due to the deep water and potential for cold temperatures. Water temperatures can be affected by cold water releases from the nearby dam at depth. Visibility typically ranges between 10 and 20 metres. Divers and snorkellers should remain aware of boat traffic in the area.

Jamison Mill is a freshwater site featuring the submerged foundations and remnants of a 19th-century mill and community structures. Located in the United States near Philpott Lake, this site offers a unique opportunity to explore historical architecture underwater. The site is suitable for intermediate snorkelers, with access available from both shore and boat. Visitors should remain aware of boat traffic in the area. On-site facilities include parking, toilets, and showers to support your visit. The site provides a distinct perspective on local history preserved beneath the water surface.