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.

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.

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.

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.

Hummingbird Beach at Lake Tenkiller provides a shallow, accessible environment for snorkelers. The site features a mix of reef and seagrass habitats, with depths ranging from 1 to 7 metres and an average depth of 3 metres. Entry is via the shore, making it suitable for beginners. Visibility is variable, typically between 1 and 3 metres. Water temperatures fluctuate significantly, reaching up to 28°C in summer and dropping to 15.6°C in cooler months, necessitating appropriate thermal protection. Facilities at the site include parking, toilets, showers, changing rooms, and a rinse station. Guided tours and a dive shop are also available for those requiring additional support.

Hickory Flats at Lake Tenkiller offers a freshwater underwater landscape defined by gradual sandy slopes and large boulders. These rock formations create small canyons that divers can explore at depths ranging from 3 to 50 metres. Shore entry is standard for this site, which is suitable for beginners. Visibility typically fluctuates between 3 and 11 metres. Divers should be prepared for cold water and low visibility, as well as thermoclines that often develop between 9 and 11 metres during July. Surface temperatures vary significantly by season, ranging from 32°C in summer to -1°C in winter. A typical dive lasts approximately 40 minutes.

Fisherman's Point in Lake Tenkiller is a popular freshwater site offering both diving and snorkelling. The area features a roped-off zone designed to protect swimmers from boat traffic. Divers and snorkellers can explore various sunken attractions, including boat hulls and a school bus located near the old concrete ramp. The site is accessible from the shore and is suitable for beginners. Depths range from 4 to 20 metres, with an average of 10 metres. Visibility varies significantly between 1 and 15 metres. Divers should be aware of potential hazards including cold water, entanglement risks, and a thermocline that typically begins around 6 metres.

Strayhorn Landing at Lake Tenkiller is a protected cove featuring a sandy bottom, making it a suitable location for beginners and families. Divers and snorkellers can expect depths ranging from 1 to 10 metres, with an average depth of 5 metres. Visibility at this freshwater site varies between 3 and 15 metres. Shore access is available, and the site is equipped with parking, toilets, showers, and a rinse station. Typical dives last approximately 40 minutes. The site is well-suited for those looking to practice skills in a shallow, controlled environment.