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Need a scenic waterfront escape with castle views and river cruises? Head to Alexandria Bay! Located in New York’s Thousand Islands region along the St. Lawrence River, Alexandria Bay offers breathtaking scenery, historic island mansions, and a charming small-town vibe. Whether you're boating, exploring castles, or soaking in lake life, “Alex Bay” is perfect for summer relaxation and adventure.

Alexandria Bay, NY Highlights:

  • For Adventurous Travelers: Go boating or jet skiing on the St. Lawrence River – Navigate island channels, find hidden beaches, and spot lighthouses along this international waterway.
  • For History Buffs: Explore Boldt Castle on Heart Island – Tour a Gilded Age mansion built as a tribute to love, complete with gardens and scenic towers.
  • For Shoppers: Browse downtown boutiques and local art – Find nautical gifts, handmade crafts, and Thousand Islands souvenirs in the heart of town.
  • For Couples: Take a romantic sunset cruise – Watch the sun dip behind the islands on a guided or private evening boat tour.
  • For Families: Ride Uncle Sam Boat Tours – Great for kids and adults, offering narrated tours of the islands, castles, and historic sites.

Best Time to Visit Alexandria Bay, NY

The best time to visit Alexandria Bay is from late May through early October. Summer months (June–August) offer warm weather, perfect for boat tours and outdoor events. September and early October bring fall colors and a quieter, more relaxed atmosphere.

How to Get to Alexandria Bay, NY

  • If you are traveling by car: Located off I-81, Alexandria Bay is about 1.5 hours north of Syracuse and 2 hours south of Ottawa, Canada.
  • By Air: The nearest airport is Watertown International Airport (ART), with more options at Syracuse Hancock International Airport (SYR).
  • By Boat: Alexandria Bay is accessible via private boat and serves as a U.S. port of entry on the St. Lawrence River.

Where to Stay in Alexandria Bay, NY

  • Recommended for Families: Capt. Thomson’s Resort – Family-friendly, right across from Boldt Castle, with a pool and waterfront views.
  • For Couples: Bonnie Castle Resort & Marina – Romantic riverfront hotel with castle views, a marina, and dining on-site.
  • For a Historic Stay: The Ship Motel – Centrally located, affordable, and walkable to restaurants, shops, and boat tours.

Best Things to Do in Alexandria Bay, NY

1. Boldt Castle and Yacht House


Tour grand halls and admire romantic architecture on a scenic island trip.

Boldt Castle and Yacht House

© pixssell/stock.adobe.com

Boldt Castle is a 120-room Rhineland-style castle and yacht house built in 2003 on Wellesley Island near Alexandria Bay in Jefferson County, New York.

The castle was built for George Boldt and his wife and is today the 1000 Islands region’s top attraction.

The castle is open to the tourists and is accessible by boat, water taxi and private watercraft. The yacht house is the castle’s main dependency.

It is a massive, shingle-style structure made of five elements, designed by the Philadelphia architects G. W. & W. D. Hewitt.

The yacht house has a round tower with reception rooms, three yacht bays, a large east yacht bay, a storage wing with a crenelated tower and an office and a spacious caretaker's residence.

22320 Boathouse Rd, Wellesley Island, NY 13640, Phone: 800-847-5263

2. Thousand Islands Winery


Sip local wines and enjoy a relaxing summer tasting experience.

Thousand Islands Winery

© Thousand Islands Winery

Located on the thirty-acre farm on Wellesley Island, Thousand Islands Winery is an award winning winery and vineyard.

It opened in 2003 when the region was new to wine making. Today, the winery has nineteen acres of wine grapes planted on the farm and produces more than fifty thousand gallons of wine every year.

The winery makes twenty-three different varieties of wine: Dry, Semi-Dry, Semi-Sweet, Sweet, and Fruit & Dessert Wines categories.

The Winery also makes a port-style wine and honey mead. Thousands Islands Winery offers wine tastings in the historic barn, it has a large gift market and offers seasonal family-friendly events.

43298 Seaway Ave, Alexandria Bay, NY 13607, Phone: 315-482-9306

3. Thousand Islands Bridge


Drive across scenic spans and take in breathtaking sights on a quick outing.

Thousand Islands Bridge

© jiawangkun/stock.adobe.com

The Thousand Islands International Bridge is an international bridge system over the Saint Lawrence River that connects New York in the United States with Ontario in Canada.

The bridge was built in 1937 and had several additions built in 1959. It crosses over the Canada–US border in the Thousand Islands region.

All bridges in the system have two lanes of traffic in two direction and pedestrian sidewalks.

Thousand Islands International Bridge system actually consists of five bridges over different parts of the St. Lawrence River.

The main span connects American mainland to Wellesley Island.

Other bridges connect Wellesley Island to Hill Island, Hill Island to Constance Island, Constance Island to Georgina Island and Georgina Island to Canadian mainland.

Thousand Islands Bridge Authority, Alexandria Bay, New York 13607, Phone: 315-482-2501

4. Boldt Yacht House


Explore historic boats and discover unusual maritime craftsmanship.

Boldt Yacht House

© Boldt Yacht House

The Boldt Yacht House on Wellesley Island is the main dependency to the Boldt Castle and was built in 1903. Visitors can take the free shuttle boat from Heart Island.

The yacht house used to house the Boldt’s family yachts and enormous houseboat. The slips are 128 feet long. Massive bay doors on the decorative facade offer access to the river.

The 64-foot yacht house featured a shop that used to build racing launches and had quarters for staff and crew.

The Yacht House holds a collection of antique wooden boats, some on loan from the Antique Boat Museum in Clayton NY and some from the original Boldt fleet. It also features a 1892 Steam Yacht.

Vellesley Island, New York

5. Wellesley Island


Hike wooded trails and enjoy peaceful fall views by the water.

Wellesley Island

© K.A/stock.adobe.com

Wellesley Island is located in the middle of the St. Lawrence River, in Jefferson County, New York.

The island is home to two state parks and is a popular destination for camping, fishing, boating, golfing and nature exploration.

Wellesley Island State Park is the larger of the two parks and it comprises three quarters of the island.

It has 435 camping sites and almost eight miles of hiking trails. It also has cabins and cottages that are open all year.

The island has a lovely sandy beach and a recreation barn that offers fun activities for children, such as video games, arts and crafts.

There are also two playgrounds for young children and a Nature Center. Visitors can access the island by crossing the bridge or by boat. There is the 148-slip marina and boats available for rent.

6. Dark Island Spirits Distillery & Winery


Sample bold spirits and savor an affordable tasting with friends.

Dark Island Spirits Distillery & Winery

© Dark Island Spirits Distillery & Winery

Dark Island Spirits Distillery & Winery is a family-owned craft distillery located in downtown Alexandria Bay, New York, in the heart of the Thousand Islands Region. The distillery produces award-winning Bourbons, Whiskeys and Brandies, as well as Vodkas, Gins and Liqueurs. All their products are made by hand, from grain to glass, all the way through distilling. Their Vodka is filtered through natural Amethyst crystals. It all starts with raw ingredients from local farms. Visitors are invited to tour the production facility and try a True Craft cocktail in their tasting room and lounge. They also offer their spirits by the bottle and sell many local wines and craft beers.

42 Church St, Alexandria Bay, NY 13607, Phone: 315-482-2059

7. Jreck Subs


Grab a quick bite and enjoy cheap, satisfying sandwiches with local flavor.

Jreck Subs

© Jreck Subs

The Jreck Subs is a chain of sandwich shops serving hot and cold submarine sandwiches, soups and salads. The company was started in 1967 in a converted school bus and it grew to more than 40 shops in Northern and Central New York.

Their Alexandria Bay, New York store is a small, family owned franchise opened in 1984 that quickly become a popular local spot for great sandwiches. This unpretentious counter-serve spot is cozy and has comfortable private booths and large screen TVs on the wall. The menu is small but all sandwiches are freshly made for each customer.

29 Market St, Alexandria Bay, NY 13607, Phone: 315-482-3403

8. Cornwall Brothers Museum


Look at local artifacts and learn regional history on an easy visit.

Cornwall Brothers Museum

© Cornwall Brothers Museum

Housed in a charming building built in 1866, the Cornwall Brothers Museum is notable not just for its preservation of history, but for being a notable part of history itself. It stands as the last remaining historic waterfront structure in Alexandria Bay and has a long history of use over the years from being a customs house, a Coast Guard station, and even a post office.

Today, the museum retains the interior it held from its time as the Cornwall Brothers Store and showcases exhibits about life in the Alexandria Township from its foundation up until the 1950s. Through the efforts of the Alexandria Township Historical Society, it was recognized on the National Registry of Historic Places in 1975, and, in 1991, the New York Register of Historic Places.

36 Market Street, Alexandria Bay, New York 13607, Phone: 315-482-4586

9. Otter Creek Preserve


Walk along quiet trails and spot wildlife during a relaxing family stroll.

Otter Creek Preserve

© Chris Murray Danita Delimont/stock.adobe.com

Come and explore a breathtaking mosaic of varying habitats at Otter Creek Preserve, a beautiful recreational space just a short walk from the Village of Alexandria Bay. It first opened to public visitors in 2015 and is one of the Thousand Island Land Trust’s newest preserves. Visitors the Otter Creek can engage in several recreational activities through the preserve’s 1.9-mile network of walking, biking, skiing, and snowshoeing trails.

Part of the trail is also ADA accessible, making Otter Creek great for families who want to spend time outdoors together. Some of the places to see and enjoy at Otter Creek include its cable suspension bridge, a spectacular view of Lynch Creek, and bird watching opportunities for Wood Ducks and Great Blue Herons.

193 Church Street, Alexandria Bay, New York

More Places to Eat in Alexandria Bay, NY

  • Recommended for Families: Riley’s by the River – Casual, kid-friendly spot with burgers, seafood, and views of Boldt Castle.
  • For Waterfront Dining: The Kitchen at Bonnie Castle – Enjoy local fare and drinks with a front-row seat to river sunsets.
  • For a Local Favorite: Cavallario’s Steak and Seafood – Longtime staple for surf & turf, drinks, and classic Thousand Islands hospitality.

If you are interested in local events:

  • For Families: Pirate Days Festival (August) – Enjoy pirate reenactments, parades, and costumed fun for all ages.
  • For Boat Fans: Bill Johnston’s Pirate Days (August) – Combines local history with swashbuckling entertainment, music, and vendors.
  • For Summer Fun: Alexandria Bay Fireworks over Boldt Castle (July 4th and Labor Day) – Stunning fireworks reflected on the river around the castle.

Day Trip Itineraries Within 30–60 Minutes of Alexandria Bay, NY:

  • For Nature Lovers: Wellesley Island State Park (20–25 min) – Hike scenic trails, fish, camp, or visit the nature center.
  • For History Buffs: Sackets Harbor (45–50 min) – Tour 1812 battlefields, browse waterfront shops, and dine with harbor views.
  • For Wine and Spirits: Thousand Islands Wine Trail (30–60 min) – Sip at nearby wineries, breweries, and distilleries in the region.
  • For Beachgoers: Southwick Beach State Park (1 hour) – Sandy beach, dunes, and picnic areas on Lake Ontario.
  • For Canadian Culture: Gananoque, Ontario (45 min with border crossing) – Visit the Canadian side of the Thousand Islands with charming streets and boat tours.

Frequently Asked Questions:

  • Where is Alexandria Bay located?
  • What town is Alexandria Bay part of?
    • It is a part of the town of Alexandria, close to the Thousand Islands (video link).
  • What is one of Alexandria Bay’s most popular attractions?
    • Romantic Boldt Castle and Yacht House is one of the region’s most popular attractions.
  • Where is Wellesley Island located?
    • Wellesley Island is located in the middle of the St. Lawrence River.

At a Glance:

Best Time to Visit Places to Stay Tips for Visiting
Spring (March-May) – Mild weather, scenic waterways, and quieter atmosphere. Riveredge Resort Hotel – Comfortable accommodations overlooking the St. Lawrence River. Explore Boldt Castle – Enjoy picturesque gardens, architecture, and island views.
Summer (June-August) – Warm temperatures ideal for boating, fishing, and outdoor events. Capt. Thomson's Resort – Waterfront lodging close to downtown attractions and boat tours. Take a scenic Thousand Islands boat tour – Discover beautiful islands and historic landmarks.
Fall (September-November) – Cooler weather, vibrant foliage, and fewer tourists. Bonnie Castle Resort & Marina – Cozy rooms with stunning river views. Visit Wellesley Island State Park – Enjoy trails, nature walks, and spectacular fall colors.
Winter (December-February) – Cold weather ideal for peaceful retreats and winter recreation. Otter Creek Inn – Comfortable accommodations perfect for quiet winter getaways. Try ice fishing on the St. Lawrence River – Experience a unique winter tradition.

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