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 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.

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 Frontenac is a shore-accessible wreck located 50 metres from the shore within the Wolfe Island Graveyard. This freshwater site features depths ranging from 5 to 110 metres, with the upper sections suitable for beginner divers. The water is generally calm with no current, allowing for a relaxed exploration of the hull and fittings. Visibility typically ranges between 5 and 10 metres. Water temperatures fluctuate significantly throughout the year, from 2 to 23 degrees Celsius. Divers should be prepared for cold water conditions and potential entanglement hazards. Thermal protection, such as a drysuit or thick wetsuit with hood and gloves, is recommended outside of the summer months.

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 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 George T Davie is a shipwreck located in Kingston Harbour, Lake Ontario. This freshwater dive site spans a depth range of 4 to 29 metres, with an average depth of 25 metres. Access is by boat only, situated 2000 metres from the shore. Divers should be prepared for moderate currents and variable visibility between 6 and 30 metres. Water temperatures fluctuate significantly throughout the year, ranging from 2 to 23 degrees Celsius, with cold temperatures persisting at depth. Due to these conditions and the depth, a drysuit is recommended. A surface marker buoy is essential for boat pick-up, and the site is suited for intermediate divers.

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.