Belden Falls Lower Falls consists of a series of cascades and deep pools located below the Belden Falls Dam on Otter Creek. The site features a rocky substrate and moderate water flow, which forms pockets suitable for snorkeling. Access is provided via the shore. Due to the presence of deep water and strong currents, this location is recommended for intermediate snorkelers. Visitors should exercise caution regarding the variable conditions and the strength of the flow. Parking facilities are available on-site, and guided tours are offered for those navigating the area.

Vergennes Basin is a freshwater site located in Lake Champlain near Otter Creek. This artificial reef area serves as a transition zone where the river meets the lake level. The site features depths ranging from 2 to 7 metres, with an average depth of 4 metres. Divers and snorkellers should expect variable conditions, including mild currents and visibility between 1 and 5 metres. Entry is possible from both shore and boat. Due to the nature of the environment, potential hazards include entanglement and low visibility. Facilities available at the site include parking, toilets, showers, changing rooms, a rinse station, air fills, a dive shop, and guided tours.

The Pot Ash Point Canal Boat is a pre-1862 wreck located in Lake Champlain. Resting at a depth of 11 metres, the site features a remarkably intact bow and a visible cargo of quarried stone. Divers should be prepared for sharp thermoclines and significant temperature drops at depth. Visibility ranges from 3 to 11 metres, and currents are generally mild. Access to this site requires a boat, as it lies approximately 1609 metres from the shore. The site is suitable for beginners, though divers must remain aware of hazards including boat traffic, entanglement risks, and low visibility. The habitat supports various temperate freshwater fish and invertebrates.

East Middlebury Gorge is a freshwater site located on the Middlebury River, a tributary of Otter Creek. The topography features a narrow schist gorge that opens into deep pools. Divers and snorkellers should be prepared for cold water temperatures, which remain low even during peak summer months. The site is accessed via a shore entry and offers parking facilities nearby. Due to the nature of the gorge, conditions can include low visibility, thermoclines, and deep water. The habitat supports various temperate freshwater fish and invertebrates typical of the region. This site is suited for intermediate divers and provides a unique environment for those comfortable with river diving conditions.

Chimney Point State Historic Site provides a shallow, rocky shore entry located at the foot of the Lake Champlain Bridge. Divers and snorkellers can explore the area near the old ferry landings and bridge pilings, where historical debris is found. The site is suitable for beginners, with depths ranging from 1 to 5 metres and an average depth of 3 metres. Conditions include mild currents and visibility between 3 and 12 metres. Divers should be aware of sharp thermoclines, even during summer months, as well as potential hazards including boat traffic, cold water, entanglement, and low visibility. Facilities at the site include parking and toilets.

Ship Island, also known as Fossil Flats, is a shallow freshwater site located in Lake Champlain near Button Bay. This shore-entry location features shallow flats characterised by button concretions and diverse macroinvertebrates. With depths ranging from 0 to 2 metres and an average depth of 1 metre, it is well-suited for beginners. The habitat supports various temperate freshwater fish and invertebrates typical of the region. Snorkellers should remain aware of mild currents and local boat traffic. On-site facilities include parking, toilets, showers, changing rooms, and a rinse station to support visitors.

D.A.R. State Park Shoreline offers a freshwater snorkeling experience along the shores of Lake Champlain. The site features a shoreline composed of shale and limestone shelves, which create submerged rock ledges. These geological formations provide habitat for local fish and macro-invertebrates. Access is via the shore, making it suitable for beginners. Conditions at this site can vary, as the water may become silty following rainfall. Facilities available at the park include parking, toilets, showers, changing rooms, and a rinse station. Divers and snorkellers should be prepared for cold water temperatures typical of this freshwater environment.

Button Point is a peninsula on Lake Champlain featuring a rocky shore entry. The site is characterised by limestone bedrock containing 450-million-year-old fossils, which snorkelers can observe along the underwater ledges. Depths at this location start at one metre and vary as the terrain drops off. Due to the rocky entry and variable conditions, this site is best suited for intermediate snorkelers. Facilities available at the site include parking, toilets, and showers, with guided tours also offered for those interested in exploring the area.