Little Bluff Conservation Area features a steep cobblestone barrier beach situated beneath a 20-metre limestone bluff. This freshwater site in Prince Edward Bay offers a rocky bottom and aquatic vegetation, with water clarity often superior to other local areas. Snorkelling is best suited for intermediate participants due to the shore entry and mild currents. Depths at the site reach up to 5 metres. Water temperatures fluctuate significantly throughout the year, ranging from 2C in winter to 23C in August. Facilities at the conservation area include parking and toilets.

The Pebbles Beach Sunken Tug is an artificial reef located within the Wolfe Island Graveyard. Situated approximately 18 metres from the shore, this small tugboat wreck rests at depths ranging from 5 to 18 metres, with an average depth of 10 metres. The site is accessible via a shore entry and is suitable for intermediate divers. Snorkellers may also explore the wreck on clear days. Conditions vary, with visibility typically between 3 and 15 metres and mild currents. Divers should be aware of potential entanglement hazards due to the nature of the wreck structure.

The Annie Falconer is a historical shipwreck located in the Wolfe Island Graveyard of Lake Ontario. Resting at depths between 15 and 30 metres, with an average of 22 metres, this site is accessible only by boat. Divers encounter mild currents and visibility ranging from 5 to 15 metres. The freshwater environment is cold, with temperatures fluctuating between 2 and 15 degrees Celsius, necessitating the use of a drysuit. This wreck presents an overhead environment with associated entanglement risks, requiring intermediate skill levels and Advanced Open Water certification. Typical dive times are approximately 40 minutes, and divers must manage risks including decompression, nitrogen narcosis, and low visibility.

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.

The Olive Branch Wreck is a freshwater shipwreck located within the Wolfe Island Graveyard. This site is suitable for intermediate divers, with depths ranging from 20 to 32 metres. Access is strictly by boat. Divers should be prepared for cold water temperatures between 2 and 16C, with significant thermoclines frequently encountered at depth. Visibility varies considerably, ranging from 5 to 30 metres. Hazards at this site include the deep nature of the wreck, potential for entanglement, low visibility, and the overhead environment of the vessel. Guided tours are available through local dive shops to assist with navigating this historic wreck.

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.

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.

Kingston Harbour offers a freshwater wreck dive experience with depths ranging from 15 to 40 metres, averaging 25 metres. This site requires boat access and is suited for intermediate divers with wreck endorsements. Conditions include moderate currents and visibility fluctuating between 5 and 30 metres. Thermal protection is essential, as water temperatures vary significantly throughout the year, with cold thermoclines often present below 10 metres. Divers must manage risks associated with cold water, entanglement, and surface boat traffic. A surface marker buoy is necessary for safe ascents. Drysuits are strongly recommended to handle the cold water environment.