Only non-motorized boats or boats with electric motors are permitted on Upper Lake, Middle Marsh Unit and Lower Lake throughout the year. The use of boats, rubber rafts or other flotation devices is not permitted on the North Marsh at any time. Trailer launching is not permitted. To prevent the spread of invasive species, only car-top watercraft are permitted. State law requires a wearable Personal Flotation Device on board for each person. Also, all boat passengers under twelve years old must wear a life jacket while in a boat that is underway.