Town & sightseeing days
11.5L Travel Sling Bag
Keep small day-trip belongings together without a bike-mounted bag.
Fly & Drive guide
Fly into ART, drive to Thousand Islands
45 min drive35 milesNo entry permit
Trip snapshot
Arrival airport- ART
Airport drive- 45 min · estimate
Suggested stay- 2–4 days
Reservation demand- Lower · check current rules
Vehicle notes- Standard cars are ideal for Seaway Trail driving. RVs should check bridge clearance for Wellesley Island.
Your route
ART
Watertown International Airport
Thousand Islands
About 45 min · 35 mi by car, no stops. Estimate only.
Your arrival plan
Step 1Flights to ART
Compare fares into Watertown International Airport.
Find flights
Step 2Standard car at ART
Pick up at the airport and drive straight to Thousand Islands. Compare rental companies in one search. Est. from $45/day · typical rate.
Compare rentals
Step 2SUV at ART
Select an SUV, pickup location and dates on Airport Rentals. Est. from $55/day · typical rate.
Compare SUVs
Before you goStore extra bags
Early arrival or late flight home? Drop luggage nearby and keep the car light for the park.
Find storage
03 · First night near Thousand Islands
Sleep close after the drive so day one starts in the park.
Before you land
Reservations
Historic Island Access and Seasonal Tour Planning
Access to Heart Island and Dark Island is restricted to operating seasons, typically mid-May through October. While no park entry permit is required, boat tour tickets and castle admission are separate costs and often sell out during summer weekends. State park camping at Wellesley Island can book out nine months in advance, requiring an official New York State Parks check.
Official reservation infoBest time to fly in
June – September
Your route
Day 1 · Gilded Age Castles and River Vistas
Boldt Castle → Singer Castle
Day 2 · River Heritage and Maritime History
Antique Boat Museum → Rock Island Lighthouse State Park
Day 3 · Granite Shorelines and Nature Trails
Minna Anthony Common Nature Center → Eel Bay
Viator
Tours & experiences near Thousand Islands
Explore guided activities around Thousand Islands. Check the meeting point, dates and availability on Viator before booking.
Open tour listings separatelyCurated Trip Essentials
Five picks for Thousand Islands
Travel documents & cards
Crossbody Card Holder
Keep cards close on sightseeing days; check dimensions for what you want to carry.
Day-walk storage
30–35L Hiking Daypack
Carry spare layers and walking supplies; check fit and use a liner for valuables.
Eye protection
Polarized Cycling Sunglasses
Wrap-around cycling sunglasses with polarized lenses and a lightweight TR90 frame, according to the listing.
Wildlife & night viewing
OWLER1 Night Vision Binoculars
20X optical zoom · 500m IR range. Check park rules before using lights at night.
$294.99 USD · store price
Shop at WILDGUARDEROptional picks, not a complete packing or safety list. Photos from the ROCKBROS and WILDGUARDER stores. Prices as of 2026-10-19 / 2026-10-20; price, stock and shipping may change.
Quick answers
What is the closest airport to Thousand Islands?
Watertown International Airport (ART) is the nearest commercial airport we route from.
How long is the drive from ART to Thousand Islands?
Roughly 45 min (about 35 miles) by car, without stops. Times are estimates.
Do I need a reservation to visit Thousand Islands?
Access to Heart Island and Dark Island is restricted to operating seasons, typically mid-May through October. While no park entry permit is required, boat tour tickets and castle admission are separate costs and often sell out during summer weekends. State park camping at Wellesley Island can book out nine months in advance, requiring an official New York State Parks check.