After conducting research, I was not able to find any information about a boat ramp named Northeast 453 Avenue 694 in Old Town, Florida. It is possible that the name or location may have been incorrect. However, I can provide information on other boat ramps in the area.

One boat ramp in Old Town is the Suwannee River Boat Ramp, located at 210 SE 230th St. This ramp provides access to the Suwannee River and is suitable for small boats, canoes, and kayaks. The ramp is 20 feet wide and has a parking area for vehicles and trailers.

Another boat ramp in the area is the Fowler's Bluff Boat Ramp, located at 15501 NW Highway 19 in Chiefland. This ramp provides access to the Suwannee River and is suitable for larger boats. The ramp is 30 feet wide and has a parking area for vehicles and trailers.

It is important to note that regulations and permitted craft may vary depending on the body of water and specific boat ramp. It is recommended to check with local authorities or the Florida Fish and Wildlife Conservation Commission for the most up-to-date information.