After conducting research, I have found that the boat ramp named Marsh Landing is located in Polk County, Florida, and is situated at latitude: 28.2662735, longitude: -81.4426651. This boat ramp is a public access facility primarily used for launching and retrieving boats, kayaks, and canoes. It is also wheelchair accessible and has ample parking facilities to accommodate vehicles with trailers.

The Marsh Landing boat ramp is relatively wide, with two lanes measuring approximately 24 feet in width. This width allows for easy launching and retrieval of boats, even during peak periods. Additionally, it has a floating dock that extends into the water, making it easier to board and exit boats.

The boat ramp services Lake Pierce, which is a 3,728-acre freshwater lake located in Polk County, Florida. It is popular for fishing, boating, and water sports activities, such as skiing and wakeboarding. The lake has a maximum depth of 10 feet and is home to a variety of fish species, including largemouth bass, bluegill, and crappie.

Regarding the kind of craft permitted on the water, any type of boat, including motorized and non-motorized vessels, are allowed on Lake Pierce. However, all boats must adhere to the required safety regulations, such as having life jackets on board, proper lighting, and a valid registration.

Overall, the Marsh Landing boat ramp in Florida is a well-maintained public access facility that provides easy access to Lake Pierce for boaters, kayakers, and canoers. Its amenities and location make it a popular destination for water enthusiasts and recreational fishermen alike.