Beaver Island Beach is a half-mile sandy beach located at the south end of Grand Island on the Niagara River, offering swimming access and adjacent amenities including an 80-slip marina with seasonal and transient boat slips, car-top boat launch, and multiple canoe/kayak launches.

The 950-acre park provides fishing access, picnic areas, nature trails, and a nature center, with year-round day-use access from dawn to dusk and seasonal services including a food concession.