Mary Island State Park
Closed — Closed for the season. Open from Memorial Day weekend through Labor Day.
Winter Storm Warning issued January 19 at 1:03AM EST until January 21 at 4:00PM EST by NWS Buffalo NY
* WHAT...Heavy snow and blowing snow expected. Total snow accumulations 2 to 4 feet. Winds gusting as high as 45 mph creating blowing and drifting snow and at times white out conditions. * WHERE...Greatest snow amounts will be found near Watertown and Fort Drum areas and also southward to across the Tug Hill region. * WHEN...Until 4 PM EST Wednesday. * IMPACTS...Travel will be very difficult to impossible at times within lake effect snow. The hazardous conditions could impact the Monday through Wednesday commutes. Gusty winds will down tree branches and cause isolated power outages. * ADDITIONAL DETAILS...Expect snowband oscillation. Snowfall rates up to 4 inches per hour at times for the Tug Hill region Monday night through Tuesday night. Wind chill values zero to 10 below zero Monday night through Tuesday night.
About
Mary Island State Park comprises 12 heavily-wooded acres with steep rocky outcroppings in the St. Lawrence River's Thousand Islands region. The park is accessible only by boat from Dewolf Point State Park (2.5 miles over water), Grass Point State Park (4 miles over water), or Keewaydin State Park (2 miles over water). The campground features 12 waterfront tent-only campsites scattered throughout the island, offering seclusion and spectacular views of the Canadian shore or the shipping channel. Campers can beach or moor their boats near their campsites. The island's terrain includes steep rocky outcroppings and several foot trails for exploring. The park provides a unique island camping experience in the Thousand Islands with picnic facilities, fishing opportunities, and a peaceful wooded setting. The location offers front-row views of international shipping traffic and the Canadian shoreline just hundreds of feet away.
Directions
Accessible only by boat from Dewolf Point State Park (2.5 miles over water), Grass Point State Park (4 miles over water), or Keewaydin State Park (2 miles over water).
Nearby Campgrounds
Amenities
| Water | Yes |
| Fires Allowed | Yes |
| Toilets | Yes |
| Dump Station | No |
| Wifi | No |
| Pets Allowed | Yes |
| Showers | Yes |
| Electric Hookups | — |
| Water Hookups | — |
| Sewer Hookups | — |
| Camp Store | No |
| Price | $17 |
Vehicle
| Max RV Length | — |
| Max Trailer Length | — |
| Big Rig Friendly | No |
| Pull Through Sites | No |
Contact
| Phone | +1 (315) 482-2722 |
Cell Service
| AT&T | Yes |
| Verizon | Yes |
| T-Mobile | Yes |
Availability
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