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 City of Sheboygan is a freshwater wreck dive located in Kingston Harbour, Lake Ontario. Resting at depths between 27 and 32 metres, this site is suitable for intermediate divers with experience in deep, cold-water environments. Visibility typically ranges from 5 to 15 metres. Access is by boat only, with the wreck situated 10 kilometres from shore. Divers should be prepared for mild currents and significant temperature drops at depth, where water temperatures remain cold year-round. A drysuit is strongly recommended. The site supports a variety of temperate freshwater fish and invertebrates typical of the region. Always watch for boat traffic when surfacing.

Prinyers Cove is a sheltered, shallow reef site located at the Wolfe Island Graveyard. This location is well-suited for beginner divers, offering a protected environment with mild currents and minimal wave action. Depths range from 1 to 9 metres, with an average of 5 metres, providing a calm setting for practice. Visibility typically fluctuates between 3 and 8 metres. Divers can expect to encounter a variety of temperate freshwater fish and invertebrates common to the region. Facilities at the site include parking, toilets, showers, and changing rooms. Access is available from both shore and boat, with typical dives lasting around 45 minutes.

The Munson Wreck is a deep freshwater site located 1540 metres offshore in Kingston Harbour. Resting at depths between 34 and 37 metres, this artificial reef is suited for advanced divers. Visibility is highly variable, ranging from 9 to 30 metres, and the site is subject to significant temperature drops below the thermocline. Surface temperatures can reach 23C, but bottom temperatures remain cold, often between 4C and 9C. Due to these conditions, drysuits are strongly recommended for all dives. Boat access is required to reach the site, and guided tours are available to assist with navigation around the wreck structure.

The Cornwall is an artificial reef located 1000 metres offshore in Kingston Harbour, Lake Ontario. This wreck dive sits at depths between 4 and 18 metres, with an average depth of 10 metres. Divers encounter moderate currents and visibility ranging from 4 to 10 metres. The site is suitable for intermediate divers who must manage entanglement risks and boat traffic. Water temperatures fluctuate significantly from 2 to 23 degrees Celsius, necessitating careful exposure protection. The habitat supports various temperate freshwater fish and invertebrates. Access is by boat, and a full-service dive shop provides air fills, equipment rental, and facilities including showers and toilets.

The Glendora is a wreck site located 1500 metres offshore in Kingston Harbour. Resting at depths between 21 and 24 metres, this freshwater wreck requires boat access. The site presents an overhead environment, necessitating careful navigation and buoyancy control to manage entanglement risks. Divers should be prepared for variable visibility and cold water temperatures, which range from 2C to 23C throughout the year. Due to the depth and structural hazards, this site is suited for intermediate divers with appropriate wreck certifications. Marine life in this habitat includes various temperate freshwater fish and invertebrates typical of the region.

The George A. Marsh is a wooden schooner resting upright on the floor of Lake Ontario at a consistent depth of 24 metres. This wreck dive allows for a methodical exploration of the hull structure and rigging. Visibility typically ranges from 5 to 12 metres. Due to the depth and significant temperature fluctuations, which range from 2 to 23 degrees Celsius, this site is suited for intermediate divers. Thermal protection is essential year-round. Access to the site is by boat charter only, and divers should be prepared for cold water conditions and potential currents.

The Katie Eccles is a freshwater wreck located in the Wolfe Island Graveyard, resting at depths between 20 and 30 metres with an average of 25 metres. This site is accessible only by boat and requires advanced certification due to the depth and cold water conditions. Visibility typically ranges from 5 to 10 metres. Water temperatures fluctuate significantly throughout the year, ranging from 2C to 23C. Divers should be prepared for cold water and deep diving hazards. Guided tours and boat charters are available to assist with site orientation and navigation. Dry suits are recommended for most of the year to manage thermal protection effectively.