Keewaydin State Park - United States
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About Keewaydin State Park
RV quick facts for Keewaydin State Park
| Detail | Information |
|---|---|
| Reservation window | Up to 9 months in advance through ReserveAmerica on the New York State Parks system |
| Dump station | On-site trailer dump station available to registered campers |
| Full hookups | Electric hookups available at select sites; no full water and sewer hookups at individual sites |
| Cell service | Generally reliable on major US carriers along the Route 12 corridor; watch for Canadian roaming near the river |
| Road restrictions | Access via paved NY Route 12; no low tunnels or steep mountain passes en route |
| Nearest dump and fuel | Fuel and supplies available in Alexandria Bay, about 2 miles northeast |
Featured RV rentals for Keewaydin State Park
Best time to visit Keewaydin State Park
Late June through early September is the prime window, when the campground, pool, and marina are fully operational and daytime highs are comfortable for swimming and boating. July and August bring the warmest river temperatures and the liveliest Alexandria Bay scene, but sites book up quickly on weekends. Early June and September are quieter shoulder periods with cooler nights and fewer bugs, ideal for RVers who prefer open sites and easier reservations. The park campground closes for the winter season, so late fall through early spring is not suitable for overnight RV stays.
Campground closed for winter season.
Campground closed for winter season.
Campground closed; day-use access limited.
Campground typically still closed early in the month.
Campground typically opens mid to late May.
Shoulder season; cooler evenings, fewer crowds.
Peak season; reserve well in advance.
Peak season; warmest river temperatures.
Great shoulder-season month for RVers.
Campground typically closes in mid to late October.
Campground closed for the season.
Campground closed for winter season.
Things to do at Keewaydin State Park
- St. Lawrence River Boating and MarinaRV parking available
The Keewaydin marina provides a boat launch, seasonal slips, and direct access to the Thousand Islands boating grounds. RVers can tow boats to the park and use the launch as a day-base for cruising among the islands. Boating is the signature activity at Keewaydin.
- Park Swimming Pool EasyRV parking available
Keewaydin operates a seasonal outdoor swimming pool rather than a river beach, offering safer swimming away from shipping channels. The pool is open during the summer months with lifeguards on duty. It is an easy walk from the campground loops.
- St. Lawrence River FishingRV parking available
The Thousand Islands stretch of the St. Lawrence is one of New York's top fisheries for smallmouth bass, northern pike, walleye, and muskellunge. Anglers can fish from the park shoreline or launch a boat at the marina. A New York State fishing license is required.
- Boldt Castle Day Trip Easy
Boldt Castle on Heart Island is one of the Thousand Islands' most famous attractions and is reached by tour boat from nearby Alexandria Bay. RVers can park in town or at the park and take a shuttle boat to the island. The castle grounds include turreted stonework, gardens, and a yacht house.
- Minna Anthony Common Nature Center at Wellesley Island EasyRV parking available
A short drive north across the Thousand Islands Bridge leads to the largest nature center in the New York State Park system, with more than 8 miles of trails through woods, wetlands, and river bluffs. The center offers exhibits, interpretive programs, and wildlife viewing. Trailhead parking accommodates trucks and smaller RVs.
- Seaway Trail Scenic DriveRV parking available
NY Route 12 along the park is part of the Great Lakes Seaway Trail, a National Scenic Byway that follows the St. Lawrence River and Lake Ontario shoreline. The route links Keewaydin with Cape Vincent, Sackets Harbor, and additional waterfront state parks. It is a straightforward drive for RVs with numerous pull-offs and viewpoints.
- Picnicking and Shoreline Walking EasyRV parking available
Keewaydin offers picnic tables, pavilions, and mowed lawns along the St. Lawrence shoreline with views of passing freighters and pleasure craft. Short walking paths connect the campground, pool, and waterfront. The flat terrain makes it accessible for most visitors.
Top Hosts near NY, United States
Very clean and well maintained trailer. Patrick was great to deal with.
Jessica A. - Jul 2025
Patrick was a warm knowledgeable host. Highly recommended.
Casey P. - Jul 2023
My family and I had an amazing time camping, with Shawn’s awesome trailer. Very clean and more than enough room for our family. Shawn set up and showed us how to use everything.
Nigel S. - Jun 2026
Shawn delivered trailer on time, it was clean and everything worked as described. Whole process was seamless. A+
Tony M. - May 2026
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RV Rentals Keewaydin State Park
Keewaydin State Park, NY, United States
How to get to Keewaydin State Park
Keewaydin sits on NY Route 12 about 2 miles southwest of Alexandria Bay and roughly 25 miles (about 35 minutes) northeast of Watertown via Interstate 81 to Exit 50 at Alexandria Bay. Syracuse is approximately 100 miles south, a drive of about 1 hour 45 minutes on I-81, and Ottawa, Ontario is roughly 80 miles north across the Thousand Islands Bridge. RV drivers should note the toll on the Thousand Islands International Bridge and plan for border crossing requirements if arriving from Canada, and should watch for rolling grades and truck traffic on I-81. The nearest commercial airport for fly-and-rent trips is Syracuse Hancock International Airport (SYR).
RVezy vs. Traditional RV rental
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- More variety: trailers, motorhomes, and campers
Traditional RV rental
- Limited fleet from a rental company
- Exact RV not guaranteed
- Pickup only at retail locations
- Fewer RV types and less availability