Randolph is a submerged historical site located within Tuttle Creek Lake, United States. The area features the remnants of the original town of Randolph, including foundations that remain underwater following the lake's creation. This site is suited for advanced divers due to challenging conditions, including low visibility ranging from 1 to 3 metres and potential entanglement hazards. Depths at the site typically range between 6 and 15 metres, with an average of 10 metres. Access is available via both shore and boat entries. Facilities at the site include parking, toilets, and showers. Due to the limited visibility, this location is generally unsuitable for snorkelling.

Tuttle Creek Cove Beach is a designated swimming area located within the Tuttle Creek Cove Campground. This freshwater site offers shallow snorkeling opportunities with depths ranging from 1 to 6 metres, averaging 2 metres. The shoreline consists of a mix of sand and silt. Conditions at this site are variable, as water visibility depends heavily on recent rainfall and wind-driven wave action. Divers and snorkellers should be prepared for mild currents and cold water temperatures. Shore access is available, and the site provides facilities including parking, toilets, showers, and changing rooms. Typical sessions last approximately 30 minutes.

Spillway Marina Rock Wall is a freshwater site located at Tuttle Creek Lake, United States. The site consists of a rocky rip-rap structure along the marina and dam face. It is primarily suited for intermediate snorkelers, though conditions are challenging due to moderate currents, wave action against the rocks, and significant boat traffic. Visibility is limited, typically ranging between 1 and 5 metres. The depth varies from 1 to 15 metres, with an average of 3 metres. Shore access is available, and the site includes facilities such as parking, toilets, showers, and a cafe. Snorkeling here is rated 1 out of 5.

River Pond Swimming Beach is an artificial site located below the main dam at Tuttle Creek Lake. This freshwater location features a sandy bottom and shallow margins, with depths ranging from 1 to 5 metres and an average depth of 3 metres. The site offers calm waters and is accessible via a shore entry. Conditions are generally mild, though water temperatures vary significantly, ranging from 4°C in winter to 27°C in summer. The area is suitable for beginners and provides various facilities including parking, toilets, showers, and equipment rental. Snorkelers typically explore the shallow margins near the buoy line.