A useful launch guide has to be strict about source types. City and marina sources are better for addresses, amenities, and facility context. Visitor platforms are better for sentiment, time-on-site, and common activities. Forum threads are excellent for understanding boater anxiety, but weak for current pricing.
For Ashbridges Bay, the strongest verified facts are the address, the Lake Ontario marina context, the presence of restrooms and showers in Waterway Guide, and the relationship to Ashbridge's Bay Park, Woodbine Beach, and nearby boating clubs.
The cautious conclusion is the right one: plan from the verified geography, then verify current operational rules before you tow.