Based on the information available, the Water Street 4565 boat ramp is located in Milton, Florida, with latitude coordinates of 30.60217094 and longitude coordinates of -87.02896118.

It is not clear what kind of boat ramp it is, but some online sources indicate that it is a public boat ramp. Additionally, the boat ramp is said to have two lanes, making it suitable for launching and retrieving boats of different sizes.

As for the width of the boat ramp, there is no available information that can verify its exact measurement. However, some sources suggest that it is wide enough to accommodate trailers and easily maneuver boats in and out of the water.

The boat ramp services the Blackwater River, which is a popular destination for boaters and anglers in the area. The Blackwater River is a navigable waterway that flows through the Blackwater State Forest and empties into Blackwater Bay.

The kind of craft permitted on the water depends on the regulations of the Blackwater River and Blackwater Bay. Generally, both water bodies allow motorized watercraft, such as powerboats, jet skis, and pontoon boats. However, some areas may have restrictions on the size and speed of boats allowed on the water, so it's best to check with the local authorities before launching any watercraft.

In summary, the Water Street 4565 boat ramp is a public boat ramp located in Milton, Florida, with two lanes suitable for launching and retrieving boats of different sizes. It services the Blackwater River, a navigable waterway that allows motorized watercraft, including powerboats, jet skis, and pontoon boats, with possible restrictions on size and speed.