After conducting research, it appears that the boat ramp named Sandy Landing Road in Jay, Florida is a public boat ramp that provides access to the Yellow River. The Yellow River is a 118-mile-long river that flows through Alabama and Florida, eventually emptying into Blackwater Bay.

As for the width of the boat ramp, there is no specific information available. However, it is mentioned that the ramp is suitable for small boats and canoes.

According to the Florida Fish and Wildlife Conservation Commission, boats that are permitted on the Yellow River include canoes, kayaks, and small motorized boats. However, it is important to note that the use of airboats, jet skis, and other personal watercraft is prohibited on the river.

In terms of the latest information, it is recommended to check with the Florida Fish and Wildlife Conservation Commission or the local authorities for any updates or changes in regulations regarding the use of the Sandy Landing Road boat ramp.