Leeks Marina Beach in Grand Teton National Park offers a freshwater snorkeling experience located just north of the marina. This site features an artificial reef structure and is suitable for beginners, with depths ranging from 2 to 8 metres and an average of 5 metres. Access is via a shore entry. Conditions include mild currents and visibility typically between 3 and 10 metres. Water temperatures remain cold, generally ranging from 10 to 18 degrees Celsius in summer, and can drop significantly in deeper areas. Divers and snorkellers should remain aware of boat traffic in the vicinity. Parking is available for visitors.

Colter Bay Swim Beach is a popular freshwater snorkeling site located in Grand Teton National Park. The area features a bottom composed of smooth, colourful glacial stones and offers a designated swimming zone protected from boat traffic. Divers and snorkellers can enjoy views of Mount Moran while exploring the site. Access is via a shore entry. Water temperatures in Jackson Lake remain consistently cold, often staying below 15.5°C even during the summer months. Due to these low temperatures, hypothermia is a risk for those in the water. Facilities available at the site include parking, toilets, showers, changing rooms, a rinse station, a cafe, a dive shop, and boat charter services.

Spalding Bay is a sheltered freshwater site within Grand Teton National Park, offering calm and glassy conditions even when the main body of Jackson Lake is choppy. This site is suitable for beginners seeking a protected area to practice. Access is available via both shore and boat. Divers should be prepared for cold water temperatures, which range from 1, 18°C depending on the season and depth. Due to the high elevation and mountain runoff, the water remains cold year-round, posing a high risk of hypothermia. Wetsuits are strongly recommended for all activities. Facilities at the site include parking and toilets.

Donoho Point in Grand Teton National Park features distinct underwater topography, including steep ledges and large boulders. This freshwater site reaches depths of up to 134 metres. Access is exclusively by boat, and the site is suited for intermediate divers due to the challenging environment. Water temperatures remain cold year-round, typically staying below 16°C, with surface temperatures fluctuating significantly by season. Divers should be aware of boat traffic in the area. The site is also suitable for snorkelling, offering a unique perspective of the rocky structure and underwater formations found within the lake.

Signal Mountain Lodge Beach offers a convenient shore entry point for snorkelers within Grand Teton National Park. The site features rocky transitions and submerged timber along the shoreline of Jackson Lake. Depths typically range from 1 to 15 metres, with an average of 7 metres. This location is suitable for beginners, though water temperatures remain consistently cold due to snowmelt, often ranging between 10 and 18 degrees Celsius. Hypothermia is a significant hazard, and appropriate thermal protection is essential. Facilities at the lodge include parking, toilets, showers, changing rooms, and a cafe, with boat charters and guided tours also available.

Jenny Lake Boatramp in Grand Teton National Park is a freshwater dive site offering depths between 18 and 30 metres, with an average of 24 metres. Access requires a boat from the ramp to reach the dive area. Divers encounter mild currents and visibility ranging from 5 to 10 metres. Due to consistently cold water temperatures of 4 to 5 degrees Celsius, drysuits are necessary for safety and comfort. The site is suitable for beginners and features on-site parking, toilets, and showers. Guided tours are available to assist those looking for additional support during their dive.

West Thumb in Grand Teton National Park offers a unique freshwater snorkeling experience where visitors can observe geothermal features such as the Fishing Cone and Lakeshore Geyser from the water. The site is characterised by the contrast between deep blue lake water and vibrant bacterial mats near the shore. Snorkelling here is suitable for intermediate participants, with depths ranging from 1 to 5 metres and an average of 2 metres. Entry is via the shore. Conditions include mild currents and visibility between 1 and 5 metres. Divers and snorkellers must exercise caution due to extreme temperature variations, cold water, and the presence of scalding geothermal vents.

Plover Point in the South Arm of Yellowstone Lake is a remote freshwater site accessible only by boat. The topography features sandy beaches and depths reaching 120 metres, with an average depth of 48 metres. Visibility varies significantly, ranging from 3 to 30 metres. Divers should be prepared for cold water conditions, as the average temperature is 5°C, limiting survival time to 20 to 30 minutes. Due to the extreme depth, potential for nitrogen narcosis, and decompression requirements, this site is suited for advanced divers. The area is also suitable for snorkelling, though the cold water remains a primary environmental factor for all water activities.