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    1. Local experiences
    2. /Things to do in Clayton…
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    4. /Boat Tours
    5. /Cruise the 1000 Islands & See Boldt Castle
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    Cruise the 1000 Islands & See Boldt Castle

    2-hour narrated cruise past Boldt Castle, island lighthouses, and Millionaires Row

    4.7 stars• 1.5K reviews

    Duration

    2 Hours

    Includes

    Narrated cruise, Island sights

    Highlights

    Explore the heart of the 1000 Islands on a continuous, narrated boat tour on the St. Lawrence River. Cruise a 20-mile route between Clayton and Alexandria Bay while your guide shares local history and highlights.

    • Cruise through the St. Lawrence Seaway shipping channel
    • Circle Boldt Castle on Heart Island and the Boldt Castle Yacht House
    • Pass Rock Island Lighthouse on Rock Island near Rock Island Lighthouse State Park
    • Spot Sunken Rock Lighthouse on Bush Island
    • See Millionaires Row and million-dollar homes along the shoreline
    • Look for Great Lakes freighters as they travel the Seaway Shipping Channel

    Things to know

    This tour does not stop at the islands. You may bring your own food and beverages onboard, but no alcohol is allowed. Only service animals are allowed, and the boats are smoke free.

    Cancellation Policy

    Please notify us at least 24 hours prior to departure to receive a full refund.

    Product ID: PHCHB7

    FAQs

    No. This is a continuous 2-hour narrated tour among the islands. You circle Boldt Castle on Heart Island and Rock Island Lighthouse on Rock Island.

    Yes, you may bring your own food and beverages onboard. Alcohol is not allowed.

    No, there are no concessions onboard. Food and beverages are available from Kay's Kitchen onsite, and picnic lunches can be pre-ordered for each tour.

    Meeting details

    39611 Chateau Lane, Clayton, NY 13624

    Experience provided by Clayton Island Tours

    Related locations

    How can we help?

    We are here to assist with special requests, large groups, last minute needs, and any questions you may have.

    Call or text 1-877-GREET-WELL

    Report an issue

    Adult

    $28.62

    Ages 13 and up

    0

    Child

    $20.14

    Ages 5 to 12

    0

    Senior

    $24.38

    Ages 65 and up

    0

    Why book through Greetwell?

    • No Added Fees

      No booking or service fees, ever

    • Concierge Support Included

      Real humans ready to help with timing, questions, or special requests

    • Free Cancellation Available

      Most experiences can be cancelled for a full refund

    Discover what we've curated for you

    Review summary

    4.7
    Excellent
    1.5K reviews•Google Maps
    1,162
    169
    31
    13
    20

    The boat tours here have earned a loyal following, and it's easy to see why. Guides like Liam and Michel bring genuine enthusiasm and deep local knowledge to each trip, sharing little-known stories about the islands, the properties along the river, and the area's history. The smaller boat size creates an intimate atmosphere that larger cruise operations simply can't replicate, and popular routes like the Boldt Castle and Rock Island Lighthouse tour consistently draw praise for their pacing and scenery. A handful of recent reviews do point to some inconsistency worth knowing about. Sound system issues on windier days made it difficult for some guests to hear the narration, and a few specialty cruises like the wine and sunset tours felt less structured than the standard guided options. If a narrated, educational experience is what you're after, the daytime island tours seem to be where this crew really shines. Overall, repeat visitors are common here, with many guests returning year after year and bringing family and friends along. The staff's warmth and the personalized feel of the tours are consistently the highlights. For anyone exploring the Thousand Islands region, this is a solid choice for getting out on the water with people who clearly love what they do.

    What people are saying

    Review 1 of 5
    5/5

    Wonderful tour of the Thousand Islands and visit to the Boldt Castle. Weaving between all the islands while getting insight to the history, bird life, architecture, and culture.

    Photo of Gary Fortenberry

    Gary Fortenberry

    August 31, 2026

    Review 1 of 1
    5/5

    Wonderful tour of the Thousand Islands and visit to the Boldt Castle. Weaving between all the islands while getting insight to the history, bird life, architecture, and culture.

    Photo of Gary Fortenberry

    Gary Fortenberry

    August 31, 2026

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