Mavericks Princeton Harbour, Half Moon Bay. Trails leading up to 2,000 feet above sea level to enjoy beautiful vistas. Parking is available at the Martini Creek parking lot, open 8 a.m.-sunset. The oldest park in the county offers day use and camping. Miles of hiking trails, creek and swimming hole and picnic area.
Trails provide access to the marshes interior for wildlife and plant life viewing.
Weekend tours available. The marsh provides sanctuary for a variety of birds including migratory loons and grebes, waterfowl and shore birds as well as a residential community of mallards, cinnamon teal, coots, kites, hawks, egrets and herons. One of the most commonly photographed lighthouses in the United States. The hostel provides travelers of all ages an inexpensive and friendly atmosphere for spending the night. The marina is full service with a fuel dock, visitor spaces, moorings and launch ramp, bait and tackle stores, and restaurants.