Keiners Bottoms is a freshwater reef site characterised by a rocky shoreline, large underwater boulders, and a gravel bed. Divers and snorkellers can explore depths ranging from 3 to 15 metres, with an average depth of 9 metres. The site is suitable for intermediate divers and offers both shore and boat access. Conditions include mild currents and visibility between 2 and 6 metres. Water temperatures are cold, reaching 35°F in early April before warming throughout the spring. Hazards at this location include boat traffic, cold water, entanglement risks, and low visibility. Facilities available include parking, toilets, air fills, equipment rental, a dive shop, boat charters, and guided tours.

Whetstone Bay is a freshwater site featuring a mix of reef and artificial reef structures, including submerged flooded timber in shallower sections. Snorkellers can explore these complex wooden structures, which provide a distinct underwater topography. Depths range from 12 to 18 metres, with an average depth of 7 metres. Visibility is variable, typically between 2 and 6 metres. Access is available via both shore and boat entries. Divers and snorkellers should be aware of mild currents, potential entanglement hazards, and active boat traffic in the area. Water temperatures remain cold at depth, with significant cold pockets possible throughout the year. Parking facilities are available for visitors.

Pease Creek Recreation Area offers shore entry into Lake Francis Case, providing access to a rocky shoreline near the bluffs. The underwater terrain features rocky outcroppings and crevices for snorkelers to explore. The site is suitable for beginners, though water conditions vary significantly due to seasonal temperature changes. Surface temperatures range from the low 70s to low 80s °F in summer, while spring and early summer temperatures are cooler, often between the 40s and mid-60s °F. Divers and snorkelers should be aware of deep water and potential thermal layering throughout the year. Facilities at the recreation area include toilets and showers.