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    1. Local experiences/
    2. Key Largo, FL/
    3. Water Activities/
    4. Boat Tours/
    5. Key Largo Glass-Bottom Boat Cruise
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    Key Largo Glass-Bottom Boat Cruise

    See John Pennekamp Coral Reef through glass viewing windows on a narrated 2-hour cruise

    From$66/ person

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    Duration

    2 hours

    Includes

    Glass-bottom viewing, Narration

    Highlights

    Hop aboard the M. V. Key Largo Princess for a 2-hour glass-bottom cruise to John Pennekamp Coral Reef State Park and the Key Largo National Marine Sanctuary. Watch the reef and sea life through large viewing windows as a narrator shares insights along the way.

    • Board a 75-foot glass-bottom yacht with sun deck
    • Relax during a 45-minute ride to the reef
    • View coral and fish through large flat windows
    • Hear narration highlighting sea fans and plumes
    • Spot occasional ship wreckage along the route
    • Choose daily departures at 10am, 1pm, and 4pm

    What's Included

    • 2-hour cruise
    • Glass-bottom viewing
    • Onboard narration

    Things to know

    Drinks and snacks are available for purchase on board. All ages welcome; every passenger, including infants and toddlers, must have a ticket. Activity may be canceled in severe weather.

    Cancellation policy

    Non-refundable and cannot be rescheduled. Activity may be canceled due to severe weather; if canceled by the operator, you may reschedule.

    Meeting location

    GPS Address: 99701 Overseas Hwy, Key Largo, FL 33037

    Experience provided by Key Largo Princess
    Experience provided by Key Largo Princess

    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 (650) 414-7338

    Reference #9UZYKJ

    Adult

    $66.99

    Ages 12 and up

    0

    Child

    $36.96

    Ages 2-11

    0

    Why book through Greetwell?

    • Greetwell Approved

      This experience meets our quality and safety standards

    • Includes Concierge Support

      Our team is here to help with questions, timing, or special requests

    • Flexible Cancellation

      Plans change? Most experiences offer flexible cancellation

    Review summary

    This 2.5-hour reef tour delivers exactly what it promises: knowledgeable guides who genuinely care about sharing the underwater ecosystem with you. Reviewers consistently praise the crew's friendliness and expertise, with guides like Brandon calling out sea turtles, stingrays, and barracudas as they cruise over the coral reef. The boat offers both upper and lower viewing decks, plus a full bar with surprisingly strong drinks and decent specials. The booking process is smooth, and staff are accommodating when life happens. A few things to know before you go: the glass-bottom viewing area gets cramped when the boat's full, with kids understandably getting prime spots. Some passengers noted that certain window panes were clearer than others, though most still enjoyed the experience from the upper deck. The 45-minute ride each way can be rough on those prone to seasickness, so plan accordingly. Several reviewers mentioned it's worth bringing motion sickness medication if you're sensitive. Despite these considerations, most passengers had a fantastic time witnessing the only living coral reef in the continental U.S. from this unique vantage point.

    What people are saying

    Review 1 of 4
    5/5

    Such a fun day! I learned so much. Great tour guides. Careful those drinks are strong!

    Photo of Tonya Hansen

    Tonya Hansen

    January 25, 2026

    Review 1 of 1
    5/5

    Such a fun day! I learned so much. Great tour guides. Careful those drinks are strong!

    Photo of Tonya Hansen

    Tonya Hansen

    January 25, 2026

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