Microbialite Mounds in Bear Lake, United States, is a geological site defined by tufa structures rising from the lake bed. These mounds function as a natural reef, reaching depths between 2 and 18 metres with an average of 10 metres. Access is by boat only, as the site is located 500 metres from the shore. Divers and snorkellers should expect mild currents and visibility ranging from 5 to 35 metres. Due to cold water temperatures and a swift drop below the thermocline at approximately 11 metres, full 7 mm wetsuits are required. Hazards include boat traffic, cold water, and variable visibility.

R2D2, also known as the Submerged Dozer, is an artificial reef located in Bear Lake. The site features a Caterpillar D2 bulldozer resting in approximately 3 metres of water, making it a distinct destination for snorkelers. Access is available from both the shore and by boat. Visibility at the site ranges from 2 to 11 metres, and currents are generally mild. Divers and snorkelers should be aware of cold water temperatures and a thermocline, which causes temperatures to drop swiftly below 35 feet. Facilities at the site include parking, toilets, showers, and changing rooms.

Cisco Beach in Bear Lake offers a diverse freshwater diving experience with a mix of natural and artificial reef structures. The site features cave and swim-through elements, though these overhead environments require specialised training. Divers can expect mild currents and visibility ranging from 5 to 10 metres. The depth profile is significant, extending from 3 to 60 metres with an average of 28 metres. Beginners should remain in the 3 to 18 metre range, as the bottom drops sharply and a thermocline exists around 10.7 metres. Surface temperatures in summer reach 13 to 18 degrees Celsius, but water temperatures drop rapidly below the thermocline. Parking and toilets are available on-site.

Cisco Beach offers a unique freshwater diving experience featuring dramatic underwater topography, including rock ledges and small crevices located close to the shore. The site consists of a reef and drop-off structure, with depths ranging from 2 to 15 metres. Divers can expect mild currents and visibility between 5 and 25 metres. Surface water temperatures during summer range from 13 to 18 degrees Celsius, with a thermocline present at approximately 10.7 metres. Access is via a shore entry. The site is suitable for intermediate divers and provides facilities including parking, toilets, showers, changing rooms, and a rinse station. Be aware of boat traffic and surf conditions when planning your dive.

Mountain Fawn Day Use Area is situated on the rugged eastern shore of the lake, featuring a rocky bottom and rapid drop-offs. Divers and snorkellers can explore depths ranging from 6 to 18 metres, with an average depth of 10 metres. The site is accessed from the shore and experiences mild currents. Visibility varies significantly, ranging from 5 to 30 metres. Surface water temperatures during summer reach 55-65°F, though temperatures drop notably below the thermocline at approximately 11 metres. Facilities available at the site include parking, toilets, showers, changing rooms, a rinse station, and access to boat charters and guided tours.

Sage Springs Beach is a freshwater site on Bear Lake where natural spring water enters the lake, creating distinct temperature pockets. The shoreline consists of a mix of sand and rock. Snorkellers can expect depths ranging from 1 to 10 metres, with an average depth of 5 metres. Visibility at this site typically varies between 5 and 15 metres. Entry is via the shore, and the site is suitable for beginners, though users should be aware of potential surf conditions. Facilities available at the beach include parking and toilets.

Bear Lake Hot Springs is located at the northeast corner of the lake, offering a transition zone where a sandy north end meets a rocky eastern shelf. Snorkelers can explore this area at depths ranging from 0 to 2 metres, with an average depth of 1 metre. The site features water temperatures between 35 and 39°C near the hot springs, which mix with the cooler lake water that typically reaches 20 to 22°C during summer. Visibility at this shore-entry site varies between 5 and 15 metres. Facilities available include parking, toilets, showers, changing rooms, equipment rental, and a cafe. Be aware of boat traffic in the area.