Beaches · The Deep End of the Chain
Lake Ontario Beaches
24 beaches on the New York shore, about 10 miles of sand, rock and park frontage in all. New York tested the water at 17 of them in the 2025 season.
Beaches
24
Water sampled
17
Public access
18
Miles listed
10
Room to spread out
The longest listed beaches on Ontario
By the length each state reports. A long listing is often a park or a run of public shore, not one strip of towels.
Fair Haven Beach State Park - East
Public beach, not on a sampling schedule.
Hamlin Beach State Park - H3a
Public beach, water sampled twice a week.
HAMLIN BEACH STATE PARk - H4
Public beach, not on a sampling schedule.
Selkirk Shores State Park Beach
Public beach, water sampled once a week.
Chedmardo
Public beach, water sampled twice a month.
Southwick Beach State Park
Public beach, water sampled once a week.
Lake Ontario beaches in New York 24
Today’s advisories and closures: New York beach status.
Cayuga County 3
- Fair Haven Beach State Park - Channelabout 70 feetNot sampled
- Fair Haven Beach State Park - East2.2 milesNot sampled
- Fair Haven Beach State Park - West0.16 milesSampled once a week
Jefferson County 4
- Chaumont Village Beachabout 160 feetSampled twice a month
- Crescent Yacht Club Beachabout 50 feetNot sampled · Private Access
- Henderson Harbor Yacht Club Beachabout 50 feetSampled twice a month · Private Access
- Southwick Beach State Park0.71 milesSampled once a week
Monroe County 6
- Hamlin Beach State Park - H30.11 milesSampled twice a week
- Hamlin Beach State Park - H3a1.8 milesSampled twice a week
- HAMLIN BEACH STATE PARk - H41.4 milesNot sampled
- Hamlin Beach State Park - H4a0.1 milesSampled twice a week
- Hamlin Beach State Park - H4babout 420 feetNot sampled
- Ontario Beach0.39 milesSampled daily
Niagara County 1
- Camp Kenan0.36 milesNot sampled · Private Access
Oswego County 8
- Brennan'S Beach0.49 milesSampled twice a month · Private Access
- Chedmardo0.84 milesSampled twice a month · Private Access
- Dowie Daleabout 160 feetSampled twice a month · Private Access
- Mexico Point State Park (Town)about 110 feetSampled twice a month
- ONTARIO SHORES (Rainbow Shores)about 160 feetSampled twice a month
- Sandy Island Beach State Park0.27 milesSampled once a week
- Selkirk Shores State Park Beach0.87 milesSampled once a week
- Selkirk Shores State Park Beach - Southabout 320 feetSampled once a week
Wayne County 2
- Sodus Point - Bayside0.18 milesNot sampled
- Sodus Point - Lake Sideabout 480 feetSampled twice a month
Beyond the sand
More on Lake Ontario
How many beaches are on Lake Ontario?
This directory lists 24 beaches on the U.S. shore of Lake Ontario in New York: every one the states file with EPA under the federal BEACH Act, which covers coastal and Great Lakes beaches open to the public. Together they add up to about 10 miles of listed shoreline. Canadian beaches are not included. Unlisted strips of public shore exist too; they are just not in the federal record.
Is it safe to swim in Lake Ontario?
Usually, with two checks. Water quality: 17 of these 24 beaches were sampled for bacteria in the 2025 season, and the states post an advisory or closure when a sample runs high, most often after heavy rain. Waves: rip and structural currents are the bigger killer on the Great Lakes, especially near piers. Check the National Weather Service beach forecast and obey the flags.
Where can I check Lake Ontario beach closures?
Each state runs its own beach status page: New York at parks.ny.gov. Every beach page here links to the right one.
What are the longest beaches on Lake Ontario?
By the lengths states report to EPA: Fair Haven Beach State Park - East (2.2 miles), Hamlin Beach State Park - H3a (1.8 miles), HAMLIN BEACH STATE PARk - H4 (1.4 miles). States measure a listed beach their own way, sometimes as one long stretch and sometimes as many short access points, so lengths compare best within a state.
Data from EPA BEACON 2.0, the National List of Beaches for 2025, retrieved 2026-10-10; counties placed from coordinates (FCC Census Area API). Shoreline from Natural Earth (public domain). Charts are not for navigation. Corrections to contact@greatamericanlakes.com.