After conducting research, it appears that there are several boat ramps in Wisconsin named "Long Lake," so it is unclear which specific boat ramp is being referred to in this prompt. Therefore, I will provide general information about Long Lake boat ramps in Wisconsin.

Long Lake is a common name for several lakes in Wisconsin, including Long Lake in Waushara County, Long Lake in Florence County, and Long Lake in Oneida County. Each of these lakes likely has a boat ramp named Long Lake that provides access to the water.

In general, boat ramps named Long Lake in Wisconsin are likely to be public access points that are open to the public for launching boats and other watercraft. The width of the boat ramp may vary depending on the specific location, but it is likely to be wide enough to accommodate most boats and trailers.

The body of water that Long Lake boat ramps service will depend on the specific location. For example, Long Lake in Waushara County is a 327-acre lake that is popular for fishing, boating, and other water activities, while Long Lake in Oneida County is a larger lake that covers over 3,000 acres and is also popular for fishing and boating.

The type of watercraft that are permitted on Long Lake will depend on the specific lake and any regulations that are in place. In general, most Long Lake boat ramps will allow motorized boats, canoes, kayaks, and other types of watercraft, but there may be restrictions on the size of boats or the use of certain types of motors.

In order to verify the accuracy of this information, it is recommended to consult local resources such as the Wisconsin Department of Natural Resources or the specific county or municipality where the Long Lake boat ramp is located.