Wellington Rotary Beach provides shore access to Lake Ontario, featuring a stony beach entry. The underwater topography is characterised by large rocks and boulders that create a complex environment for local freshwater fish and invertebrates. Divers can expect visibility ranging from 10 to 20 metres, though water temperatures vary significantly between 2C and 23C, with potential for thermoclines. This site is suitable for beginners, with mild currents and typical dive durations of 45 minutes. Facilities available at the beach include parking, toilets, showers, changing rooms, and a rinse station. Snorkelling is also possible at this location.

Calf Pasture Point in Kingston, Canada, offers a sheltered freshwater snorkelling experience within Presqu'ile Bay. The site features a combination of reef and seagrass habitats, providing a calm environment compared to the open lake. With an average depth of two metres, ranging between one and three metres, it is well-suited for beginners. Snorkellers can expect mild currents and visibility typically between three and six metres. Shore access is available, supported by on-site facilities including parking, toilets, and showers. Due to the nature of the environment, be aware of low visibility as a potential hazard.

Gull Island near Kingston offers a rugged freshwater snorkeling experience featuring extensive rocky reefs. Access to the site is restricted until after September 10th each year due to bird nesting activity. Water temperatures fluctuate significantly throughout the year, ranging from 2C in March to 22C in August. Due to the potential for surf and boat traffic, this site is suited for advanced snorkelers. Entry is possible from both shore and boat. On-site facilities include parking, toilets, showers, changing rooms, a cafe, and access to guided tours or boat charters.

High Bluff Waterfront in Kingston offers a distinct freshwater dive experience characterised by a dramatic drop-off. The underwater topography consists of large boulders and smooth rock slabs, creating a complex environment for exploration. This site is suitable for intermediate divers due to moderate currents and potential hazards including cold water, entanglement risks, and surge. Shore access is available, and the site is well-supported by facilities such as parking, toilets, showers, and changing rooms. Snorkellers will also find this location suitable. Water temperatures fluctuate significantly throughout the year, ranging from 2C in March to 22C in August.

Rocky Beach in Kingston is a freshwater site featuring a flat limestone shelf that extends into Lake Ontario. This location is suitable for beginner snorkellers, with depths ranging from 1 to 5 metres and an average depth of 3 metres. The site is accessed via a shore entry. Conditions can vary, with potential hazards including low visibility, strong currents, and surf. Water temperatures fluctuate significantly throughout the year, ranging from 2°C in March to 22°C in August. The area is known for fossil snorkelling, allowing visitors to observe ancient marine life embedded within the underwater rock formations. Facilities at the site include parking, toilets, and a cafe.

Dunes Beach at Sandbanks Provincial Park offers a unique freshwater snorkeling experience defined by its massive underwater sand dunes. Located on the sheltered West Lake side of the park, the site features depths ranging from 2 to 8 metres, with an average of 5 metres. Water temperatures here are warmer than those found on the Lake Ontario side of the park. Conditions vary, with visibility typically between 5 and 15 metres and mild currents. Access is via a shore entry. The site is suitable for beginners, though snorkelers should remain aware of potential rip currents and surf conditions. Facilities include parking, toilets, showers, changing rooms, a cafe, guided tours, and equipment rental.

Massassauga Point Shoreline is a freshwater site located on the Bay of Quinte near Belleville. The topography features a mix of sandy and rocky shoreline, complemented by limestone outcroppings that create a river-like environment. This site is suitable for beginners and offers shore access for snorkelling. Conditions are generally mild, though water temperatures fluctuate significantly throughout the year, ranging from 1C in March to 23C in August. Facilities available at the site include parking and toilets. As a freshwater location, it provides a straightforward entry for those looking to explore the local shoreline environment.

The Juno is a shallow freshwater shipwreck located 200 metres from shore in Kingston, Canada. Resting at an average depth of 5 metres, this site is suitable for beginners and accessible by both boat and shore entry. Divers and snorkellers experience mild currents and visibility ranging from 5 to 10 metres. Water temperatures fluctuate significantly throughout the year, ranging from 3 to 22 degrees Celsius, requiring appropriate thermal protection. The site features the remains of the wreck structure, which provides a habitat for various temperate freshwater fish and invertebrates. Due to the location, visitors should remain aware of boat traffic and potential entanglement hazards.