Beach · Lake Ontario · New York
Sandy Island Beach State Park
A public beach on Lake Ontario in Oswego County, New York, 0.27 miles of shore. The state samples the water for bacteria once a week through a 98-day swim season.
The beach
On the record
- Water
- Lake Ontario
- Location
- Oswego County, New York
- Length
- 0.27 miles
- Owner
- Public
- Access
- Public Access
- Water sampling
- Yes — once a week in the swim season
- Swim season
- 98 days, as reported
- Monitoring tier
- Tier 1 — the state’s highest monitoring priority
- Water quality standard
- E. coli, single sample: 235 per 100 mL
- EPA beach ID
- NY761078
- Coordinates
- 43.6312° N, 76.1966° W to 43.6350° N, 76.1964° W
As the state reported it to EPA for the 2025 season. Sampling schedules change year to year. How beach monitoring works →
Down the shore
Nearest Ontario beaches
- ONTARIO SHORES (Rainbow Shores)1.0 mi · sampled · NY
- Brennan'S Beach3.1 mi · sampled · NY
- Selkirk Shores State Park Beach5.5 mi · sampled · NY
- Selkirk Shores State Park Beach - South5.5 mi · sampled · NY
- Chedmardo6.3 mi · sampled · NY
- Mexico Point State Park (Town)8.0 mi · sampled · NY
Straight-line distance.
By boat
Launches nearby
- Sandy Creek DEC launch2.6 mi · trailer ramp
- Selkirk Shores State Park4.4 mi · unimproved trailer launch
- Mexico Point7.9 mi · trailer ramp
On the horizon
Lighthouses nearby
- Selkirk Light3.9 mi · deactivated
Ashore
State parks nearby
On shore nearby
Worth the stop
- Sackets Harbor22 mi · town
Off the beach
What to fish on Lake Ontario
Source
Facts on this page are from the EPA BEACON profile for beach NY761078, the record New York files under the federal BEACH Act, retrieved 2026-10-10. The county is placed from the beach’s own coordinates. A blank field means the record is silent. Parking, fees, lifeguards and dog rules are set by whoever runs the beach; check with them before you go.
Chart shoreline generalized from Natural Earth (public domain). Not for navigation. Something wrong or missing? Write to contact@greatamericanlakes.com.