Ashbridges Bay Boat Launch is one of those places where the map makes the trip look simpler than it feels on a busy summer weekend. The address gets you there, but the quality of the visit is decided by the final hundred metres: where you stage, how quickly you read payment and parking signs, and whether you are ready before you occupy the ramp.
Waterway Guide describes the launch as free, but that should not be treated as a blanket promise about parking or trailer fees. A historical Ontario Fishing Community discussion is useful because it shows exactly what boaters worry about: weekend availability, trailer cost, and whether the lot will be full after a long drive.
The practical move is simple. Tow early, prep away from the ramp, keep dock lines and safety gear ready, then clear the ramp as soon as the boat is floating. If the beach is busy, assume every movement will take longer.