Beaver Island State Park in New York, USA - map and visitor information

Research checked: 2026-10-27. Check linked official notices before travel.

Beaver Island State Park occupies the southern end of Grand Island, New York, on the upper Niagara River. This New York state park combines a seasonal swimming beach with walking, cycling, disc golf, and picnic space. Plan around the service you want: the grounds remain open beyond the beach and marina seasons.

Highlights on the Niagara River

• A half-mile sandy beach is the focus of summer visits.
• Bike and nature trails offer a land-based alternative to a beach day.
• River Lea adds local history to the park’s recreation areas.

Know before you go

Fees, hours, and seasonal access

Beach and trail safety

Swimming is permitted only in designated areas with lifeguards present. Check the state swimming guidance and the posted beach status before entering the water. The park also lists a multi-year West River shoreline restoration project; check access notices before choosing that trail.

Visiting with pets

Day-use areas allow up to two supervised pets, unless signs prohibit them. Use a crate or a leash no longer than 6 feet, and carry proof of rabies vaccination. Pets are excluded from buildings, playgrounds, golf courses, boardwalks, and guarded beaches; the stated exclusion does not apply to service animals.

Pavilions and activity permits

Reserve a pavilion through the booking link on the official park page. Transient marina slips must be reserved and paid for in advance. Seasonal snowmobiling requires a park-issued permit and proof of insurance; waterfowl hunting also requires a permit. Ask the office for the rules and dates for your intended activity.

Location and arrival

Use 103 Commission House Road, Grand Island, NY 14072 for the park. The official park map helps separate the beach, trails, and other recreation areas before arrival.

Nearby parks

• Buckhorn Island State Park: another Grand Island nature-trail option. It has no restrooms.
• DeVeaux Woods State Park: in Niagara Falls, with meadow and old-growth woodland trails and a path toward Whirlpool State Park.

Choose your day out

Combine a trail outing with a round of disc golf, or use the designated fishing access. Seasonal beach swimming requires a separate check of lifeguard coverage. Golf, marina services, and pavilion use have their own operating arrangements, so choose the activity before making a booking.

Facilities and access needs

The park provides picnic areas, playgrounds, athletic fields, a nature center, and canoe, kayak, and car-top boat launches. Contact staff about the specific route or facility you need to use; do not assume that every shoreline path has the same access conditions.

Riverfront setting and local history

The park’s location places recreation beside the upper Niagara River, within the state’s Niagara Region.

River Lea

River Lea was built by William Cleveland Allen, a cousin of Grover Cleveland. The historic house is home to the Grand Island Historical Society. Ask about museum access separately from the park’s grounds hours.

Contact the park

Use the official Beaver Island State Park page for current service schedules and booking links. General information: 716-773-3271.