Skaneateles Lake is a long, narrow freshwater lake located in the Finger Lakes region of the United States. Divers can explore underwater rock walls and the wreck of the Ossahinta. The site is suitable for beginners and offers both shore and boat access. Visibility in the lake varies, typically ranging from 1 to 12 metres. As a freshwater environment, the site features a variety of local fish and plant life. Divers should be prepared for variable conditions typical of a large inland lake.

Taughannock Point features an underwater delta where the outwash of Taughannock Creek extends nearly a quarter-mile into Cayuga Lake. Snorkellers can explore the shallow, rocky shelf surrounding this point, which reaches depths of 2 to 5 metres with an average of 3 metres. This site is suitable for beginners and offers shore access. Conditions include mild currents and visibility typically ranging from 2 to 3 metres. Water temperatures vary significantly by season, requiring appropriate thermal protection. Divers and snorkellers may encounter various temperate freshwater fish and invertebrates typical of the region. Be aware of boat traffic, cold water, and low visibility when planning your visit.

Frontenac Island is one of only two islands located in the Finger Lakes. Situated off Union Springs, the site features a limestone base that contains unique stromatoporoid fossils. The rocky habitat surrounding the island provides a distinct underwater environment for snorkelers to explore. Access to this site is by boat, and it is best suited for intermediate snorkelers due to the nature of the location. As a freshwater site in Cayuga Lake, the topography is defined by its geological features and rocky substrate rather than marine life.

East Shore Park in the Finger Lakes offers accessible shore entry into the shallow, rocky shelves of Cayuga Lake. This freshwater site is suitable for beginners, with depths ranging from 2 to 6 metres and an average depth of 4 metres. Visibility is generally limited to 2 to 3 metres. The environment supports various temperate freshwater fish and invertebrates typical of the region. Divers and snorkellers should be aware of the risks associated with cold water, particularly in early spring when temperatures can drop to freezing. Parking is available on-site for convenience. The area is also popular for searching for lake stones and fossils along the shoreline.