According to the latest information available, the boat ramp named Lake Ontario located at latitude 43.26895905 and longitude -77.62654877 in New York is a concrete ramp suitable for launching and retrieving boats. The ramp is reported to be 20 feet wide, making it spacious enough for several boats to launch and retrieve at the same time.

The Lake Ontario boat ramp provides access to Lake Ontario, one of the five Great Lakes of North America. The lake is a vast freshwater body covering an area of 18,960 square kilometers and is home to numerous fish species such as Chinook salmon, coho salmon, brown trout, rainbow trout, and lake trout, making it a popular spot for fishing enthusiasts.

As for the type of craft permitted on the water, the latest information available suggests that the Lake Ontario boat ramp allows various types of watercraft such as powerboats, sailboats, kayaks, and canoes. However, it's worth noting that boaters are subject to certain state regulations and should ensure that their crafts are equipped with the required safety equipment before hitting the water.

In summary, the Lake Ontario boat ramp is a concrete ramp that is 20 feet wide, suitable for launching and retrieving boats. It provides access to Lake Ontario, a vast freshwater body that accommodates various fish species, and allows different types of watercraft on its waters.