waterway · Erie County
Motor and Frog Islands Restoration
Grand Island / Niagara River
Upper Niagara River habitat-restoration cluster centered on Motor Island and the former Frog Island shallows. A private boating club and bulkhead altered Motor Island, while historic gravel removal eliminated small islands nearby. Shoreline reconstruction and a recreated wetland complex now restore some of the lost shallow-water habitat.
The documented story
What happened here?
Motor Island was developed for a private motorboat club, including marina facilities and a vertical bulkhead that replaced most of its natural shoreline. After boating use was abandoned, its trees became important nesting habitat for colonial waterbirds.
Between Motor and Strawberry islands, historic gravel extraction removed a small group of islands and left comparatively uniform shallow water. The Niagara River Area of Concern restoration program later treated both places as opportunities to rebuild habitat complexity.
Connected history — rebuilding what development and extraction removed
Motor and Frog Islands show that habitat restoration can reconstruct geography
6.3 acresMotor Island property acquired by New York for habitat protection
Historic development
Boating infrastructure hardened one island while mining erased others
A private motorboat club added marina facilities and a vertical bulkhead to Motor Island. Between Motor and Strawberry islands, gravel removal reduced a small island group to comparatively uniform shallow water.
1998-2013
Public acquisition and construction reversed part of the physical loss
New York acquired Motor Island to protect colonial nesting birds and fish habitat. Power Authority projects regraded hardened shoreline and added berms, substrate, rock, woody material, and marsh plantings in the former Frog Island area.
Continuing management
The rebuilt landscape still responds to wakes, ice, and high water
Erosion and wave energy required later maintenance and improved protection. Motor Island remains closed to landing so nesting birds can use it, while the restoration is evaluated as habitat—not as a hazardous-waste cleanup.
Chronology
Timeline
- Historic development
A private motorboat club, marina facilities, and a bulkhead substantially altered Motor Island's shoreline.
- Historic extraction
Small islands between Motor and Strawberry islands were mined for gravel and eventually disappeared beneath the river.
- 1998
New York acquired the 6.3-acre Motor Island to protect colonial nesting birds and important fish habitat.
- 2012–2013
Habitat projects restored natural shoreline features at Motor Island and reconstructed wetland and island structure in the former Frog Island area.
- 2022
DEC reviewed maintenance work intended to repair erosion and improve wave protection at the Frog Island habitat project.
Environmental record
Documented impacts
- Marina development and a vertical bulkhead replaced much of Motor Island's natural shoreline.
- Gravel extraction removed former islands and simplified shallow-water habitat between Motor and Strawberry islands.
- Wave action, boat wakes, ice, and high water continued to erode reconstructed planting areas.
- This is a habitat-loss and restoration record; the sources do not identify Motor or Frog Island as a hazardous-waste disposal site.
Response
Cleanup and controls
- Motor Island's bulkheaded edge was regraded and shallow-water shoreline habitat was reconstructed.
- The Frog Island project added berms, planting substrates, boulders, logs, and marsh structure to recreate habitat in the former island area.
- DEC management protects Motor Island's nesting colony; public access onto the island and beach is closed.
Then and now
The site today
Motor Island is a state wildlife management area and the reconstructed Frog Island complex is maintained as Niagara River habitat. The work repairs historic physical disturbance and habitat loss rather than documenting a conventional contaminated-site cleanup.