Province/Territory: Ontario

Cruise through history and mystery

  • 1864 islands along the US/Canada border
  • 80 km stretch of St. Lawrence River
  • 20 islands form St. Lawrence Islands National Park

Cruise the St. Lawrence River’s 1,000 Islands region with Gananoque Boat Line, along Millionaire’s Row’s lavish mansions of the rich and famous, captains of industry and railway barons. Pass Boldt Castle, a palatial, six-storey tribute to a loved-one featuring Italian gardens, sculptures and tapestries from Europe. Spy the haunts of villains and vagabonds on islands big and small. Sail beneath the Thousand Islands International Bridge connecting Canada and the United States. Hear tales of four centuries of shipwrecks lying in the St. Lawrence, a watery resting place. Explore the spooky remnants of schooners, barges, paddle wheelers and freight carriers entombed in the river’s depths through historical photos, side-scan sonar imaging, video and knowledgeable commentary. Come away with a sense of the mighty river’s history, mystery, tragedy and heart-break.

Why you should visit
  • See an island mansion that looks like a castle.
  • Peer at the underwater remains of the lost ships of the St. Lawrence River.
  • Imagine the lifestyles of the wealthy who built mansions with turrets on tiny islands.
  • Hear tales of storms that sank four centuries of river boats.
  • Weave through a maze of islands in the St. Lawrence River.
  • Listen to stories about ghosts in grand estates.
  • View the 1,000 Islands from the SkyDeck.
  • Visit historic Fort Henry in Kingston.
  • Sail beneath the Thousand Islands Bridge that connects New York State with Ontario.
  • Learn the recipe for Thousand Island Dressing, named for the chain of islands.


  • Summers are warm and humid with an average of 25°C.
  • Spring and fall are cooler with daytime averages of 20°C, though nights can be chilly.
  • Mild to strong breezes off of Lake Ontario make Kingston one of the most consistently windy cities in Canada, especially near the water.
  • Discover local weather information. Research local weather patterns at Environment Canada's Canadian Climate Website.
Visitor information
When to go
  • The cruise season is from May to mid-October.
  • The warmest time to visit is July and August.
  • Enjoy the colourful fall foliage in September and October.
Need to know
  • The cruise lasts 2.5 hours.
  • Passports are not required for the Lost Ships of 1000 Islands Cruise.
  • Other cruises are also offered, including evening sunset cruises.
  • On the five-hour Boldt Castle Stopover Cruise, a passport is required to visit Heart Island, site of the castle.
  • In spring and fall, bring a jacket as temperatures are cooler and breezier on the water.
Getting Here