Standing Rock is a submerged sandstone pillar formation located in Lake Tenkiller. The structure rises from the lake floor, with depths ranging from 8 to 27 metres and an average depth of 18 metres. The top of the formation sits approximately 25 feet below the surface. Access to this site requires a boat, as it is situated over 8 kilometres from the shore. Conditions at the site are variable, with visibility typically between 3 and 12 metres and mild currents. Due to the depth of the formation, this site is suited for advanced snorkelers capable of free-diving to reach the structure.

Sissy Beach at Lake Tenkiller offers a unique freshwater snorkeling experience defined by its dramatic underwater wall topography. The site features vertical rock faces that drop off into deeper water, creating interesting geological formations along the shoreline. Snorkelers should be aware that conditions vary, with visibility typically ranging between 1 and 5 metres. Due to the depth and the presence of boat traffic, this site is best suited for intermediate snorkelers. Access is via a shore entry. A cafe is available on-site for visitors. Divers and snorkelers must remain vigilant regarding boat traffic and the potential for low visibility.

Porum Landing at Lake Tenkiller offers a freshwater diving experience characterised by variable visibility ranging from 2 to 25 metres. The site features a shoreline composed of sandy stretches and rocky outcroppings. Divers and snorkellers can access the water directly from the shore. The site is suitable for beginners, with typical dives lasting around 60 minutes. Facilities available at the landing include parking, toilets, showers, and a rinse station. Divers should remain aware of boat traffic in the area. As a freshwater environment, the site provides a distinct underwater topography for those exploring the lake.

Brooken Cove is a freshwater dive site located near the dam at Lake Tenkiller. The underwater topography is characterised by sandstone rocks and coarse gravel, which provide structure throughout the area. Divers can expect visibility ranging from 3 to 12 metres, though conditions vary. Entry is via the shore, making this site accessible for beginners. Facilities available at the site include parking, toilets, and showers. The cove is also suitable for snorkelling, with a rating of 3 out of 5.

Dam Site South in Lake Tenkiller offers a rugged underwater landscape defined by massive boulders and a continuation of the wooded shoreline. These large rocks form a labyrinthine environment suitable for intermediate divers and snorkellers. Access is via the shore, with facilities including parking, toilets, showers, and changing rooms available. Conditions vary, with visibility ranging from 3 to 12 metres. Divers should be aware of thermoclines, which influence both temperature and visibility. Seasonal water temperatures fluctuate between 6°C and 32°C. Hazards at this site include boat traffic, cold water, potential entanglement, and low visibility. Proper planning for depth and decompression is necessary due to the site's characteristics.