Mnjikaning Fish Weirs in Georgian Bay is a unique site where Lake Simcoe meets Lake Couchiching. The site features ancient Indigenous fish weirs, consisting of historic wooden stakes driven into the lakebed. Divers and snorkellers can explore these structures at shallow depths, averaging 2 metres with a maximum of 3 metres. Conditions include mild currents and visibility ranging from 3 to 6 metres. Water temperatures in this region remain cold, typically not exceeding 20°C. Access is available from both shore and boat. Due to the nature of the site, visitors should be aware of potential boat traffic and entanglement hazards near the historic stakes.

Mara Provincial Park at Mara Point Beach offers a shallow, sandy shelf extending into Georgian Bay. This freshwater site is suitable for beginners, with depths typically ranging from 1 to 3 metres and an average depth of 2 metres. Divers and snorkellers can access the water directly from the shore, with the primary activity area extending approximately 50 metres out. Visibility at the site varies between 3 and 10 metres. Facilities available to visitors include parking, toilets, and showers. Be aware of potential hazards including boat traffic and surf conditions when planning your visit.

McRae Point in Georgian Bay offers a rocky and sandy shoreline situated on a small peninsula. Snorkellers can access the water via several small rocky entry points located along the Water's Edge Trail, which provides a quieter alternative to more crowded areas. The site is suitable for beginners, with typical sessions lasting around 40 minutes. Conditions vary, with visibility generally ranging between 3 and 10 metres. Visitors should be aware of potential hazards including cold water temperatures, deep areas, low visibility, and active boat traffic. On-site facilities include parking, toilets, showers, and changing rooms.

Strawberry Island Shallows in Georgian Bay, Canada, offers a freshwater snorkelling experience located 10 kilometres from the nearest shore. Accessible only by boat, the site features depths ranging from 2 to 8 metres, with an average depth of 4 metres. Snorkellers can expect mild currents and visibility typically between 3 and 10 metres. Due to the open water location and boat-only access, this site is best suited for intermediate-level snorkellers. The area provides a quiet environment away from the mainland, characterised by its shallow water topography.

Bass Lake in Georgian Bay is a spring-fed freshwater site suitable for beginners. Divers and snorkellers can explore depths ranging from 1 to 10 metres, with visibility typically between 5 and 10 metres. The lake features a sandy bottom and mild currents, making it a practical location for training. As a warm-water lake, temperatures can reach 22°C at the bottom during peak summer months. Wind often mixes the water column due to the shallow depth. Shore entry is available near the day-use beach. Facilities on-site include parking, toilets, showers, changing rooms, equipment rental, a cafe, and guided tours. Divers should remain aware of boat traffic in the area.

Green River in Georgian Bay is a shallow freshwater site featuring an artificial reef structure. Suitable for beginners, the site offers depths between 1 and 2 metres with visibility ranging from 5 to 10 metres. Divers and snorkellers access the water from the shore. While conditions are generally mild, be aware that the shore entry can produce surf or a shore break. Strong currents may occur, and the artificial structure contains sharp edges, so protective gear is recommended. Maintain close proximity to your guide and vessel to manage drift conditions safely. Always check local conditions before entering the water.

Big Bay Point in Georgian Bay offers a shore-accessible dive site featuring an artificial reef structure. Divers can expect depths ranging from 2 to 6 metres. The site is suitable for intermediate divers, though conditions require caution due to potential boat traffic and visibility that typically fluctuates between 5 and 10 metres. Water temperatures vary significantly by season, with a distinct thermocline present during summer months and colder conditions throughout the rest of the year. Entry is facilitated via a public dock, providing a straightforward start to the dive. Divers should remain aware of the changing thermal layers and surface activity while exploring this freshwater environment.

Friday Harbour Beach Club in Georgian Bay offers a managed shoreline experience suitable for beginners. The site features artificial fish habitat structures installed within the marina basin. Divers and snorkellers can expect depths ranging from 1 to 3 metres, with an average depth of 2 metres. The rocky substrate contributes to visibility typically between 5 and 15 metres. Entry is via the shore, and conditions generally feature mild currents. The site is well-equipped with facilities including parking, toilets, showers, changing rooms, and a rinse station. Visitors should remain aware of boat traffic in the marina area and the potential for cold water temperatures outside of the summer season.