Coal Bay is a coastal bay located near Brentwood Bay on the Saanich Peninsula. The primary launch for paddlers is at the end of McTavish Road, where a wide trail leads approximately 100 meters to the beach. Parking is available for 7 or 8 vehicles at the road's end, but paddlers should observe posted No Parking signs; an alternative is a parking lot 300 meters back up the road. The beach itself can be fairly rocky at low tide. Another common put-in is the Brentwood Bay Ferry Wharf, from which paddlers head north along the coast to reach Coal Bay, a distance of approximately 8 nautical miles one way. This route involves paddling in protected coastal waters with potential boat traffic, particularly near the active ferry terminal.

Tides are a significant factor. The referenced tide station is Patricia Bay, and the current station is Sidney Channel, indicating that tidal currents influence the area. Paddlers should consult tide tables for Patricia Bay to time their launch and landing, as the beach is rocky at low tide and the ferry wharf launch can become muddy. Planning to paddle with the tidal current, especially on the longer route from Brentwood Bay, is advisable for efficiency. The area is used by organized paddling groups for relaxed trips, suggesting generally protected conditions, though wind exposure and fetch will vary with weather. The presence of a ferry wharf and the mention of Todd Inlet as a weather alternative imply that open water crossings and wind can be considerations. There are no indicated restrictions specific to paddling, but standard safety practices for cold water, including dressing for immersion, are recommended.