Cruises, Sailing & Boat Tours, Big Island tours & activities, fun things to do in Big Island | HawaiiActivities.com

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To participate in any of our on island activities, all travelers arriving to Hawaii must complete the mandatory 14-day quarantine, and the most up-to-date information regarding COVID-19 in Hawaii can be found here.

Explore the island coasts with Hawaii cruises, sails, and boat tours! Take a look at Hawaii's best ocean tours featuring all the best water activities. From luxury to laid-back, choose from cruises with tropical cocktails, world-class snorkeling, sport fishing, dolphin swims, spectacular Friday night fireworks, live music, submarine diving, and so much more.
60Activities
1/3 pages

    Availability varies by date for all activities.

  1. No.1
    Take a short sail to Manta Ray Village for a personal and intimate snorkeling encounter with wild Manta Rays at night from Keauhou Bay! Get to see the gentle giants of the ocean at their most active.
    Special

    From USD108.30

    10%
    OFF
    Daily
    1.5 - 2.5 hour(s) (evening)
  2. No.2
    Catapult down a water slide into the pristine waters of Big Island's Kealakekua Bay! Sail out on the Fair Wind II and enjoy snorkeling and diving in Hawaii's crystal clear waters! Depart in the morning or afternoon to explore Hawaii's waters.
    Meal Provided

    From USD105.18

    5%
    OFF
    Daily
    4 - 5 hour(s) (morning, afternoon)
  3. No.3
    Enjoy rafting along the lava tubes and sea caves of the Kona Coast in a small, 14-person raft. You'll be taken to Honaunau Bay (Place of Refuge) and beautiful Kealakekua Bay to snorkel among the vibrant and diverse marine life of Hawaii!
    Meal Provided

    From USD105.56

    5%
    OFF
    Daily
    3.5 - 5.5 hour(s) (morning, afternoon)
  4. Head to the Captain Cook Monument and explore the island's finest snorkel spots on a sail at a marine sanctuary filled with tropical fish, coral reefs and more. Enjoy the calm and clear waters of a Marine Life Conservation District.
    Meal Provided

    From USD74.46

    10%
    OFF
    Daily
    3.5 - 5 hour(s) (morning, afternoon)
  5. Have an evening to remember as you set out on a semi-private sunset cruise with delicious fruit and sushi, and then snorkel among the majestic giant manta rays.

    USD115.00

    7%
    OFF
    Daily
    1.5 - 2 hour(s) (evening)
  6. Kona Atlantis Submarine Undersea Expedition
    TOP PICKS Quick Confirmation
    Submerge 100 feet under the water's surface to explore a 25-acre, natural coral reef! Marvel at the beauty of the ocean and other marine creatures from the comfort of a 48-passenger, air-conditioned submarine.
    Pick-up Provided

    USD133.56

    Daily
    1.5 - 5 hour(s) (morning, afternoon)
  7. Discover the beauty of the majestic manta ray, considered to be one of the most memorable experiences to be had on the Big Island. Watch as these gentle giants glide through the water feeding on plankton which are attracted by underwater lights.
    Special

    USD106.36

    6%
    OFF
    Daily
    1.5 hour(s) (evening)
  8. This is the Captain Cook dinner cruise you've been looking for! Dinner, live music & 1 free cocktail on Body Glove's Kona dinner cruise - the only Big Island boat tour of its kind!
    Meal Provided
    Accessible

    USD149.19

    6%
    OFF
    Sun, Tue, Wed, Thu, Fri, Sat
    3.5 hour(s) (afternoon)
  9. Set out on a search for wild spinner dolphins! Kona’s first and original “Swim with Dolphins” Adventure! Spot and swim with wild dolphins on this 4 hr adventure with one of Kona’s most experienced dolphin tour company, Dolphin Discoveries!
    Special

    USD149.72

    5%
    OFF
    Daily
    4.5 hour(s) (morning)
  10. One of Kona’s top bucket list experiences! Swim with giant manta rays after watching the sunset on the horizon. An encounter with these gentle giants is guaranteed to create memories that will last a lifetime!
    Special

    USD109.87

    5%
    OFF
    Daily
    3.5 hour(s) (evening)
  11. Explore the uncharted waters of south of Keauhou Bay. Swim and snorkel in an untouched aquatic paradise only accessible by water on a luxury boat, Hula Kai!
    Meal Provided

    USD176.03

    5%
    OFF
    Daily
    5.5 hour(s) (morning)
  12. Come snorkel with the manta rays and illuminate the evening waters of Kona on this guided excursion, and then settle in for a cup of homemade soup. Don't miss out on this opportunity to encounter the gentle giants.

    USD117.11

    5%
    OFF
    Daily
    3 hour(s) (evening)
  13. Sail from Keauhou Bay by Hawaiian Sailing canoe for Hawaii's #1 marine encounter! A unique way to go see and snorkel with Mantas at night.

    USD106.63

    5%
    OFF
    Daily
    1.5 hour(s) (evening)
  14. Take a private boat out into the volcanic coast of Kona & swim at a secluded beach. Enjoy cruising on the boat, snorkeling, or just exploring at your own pace.

    From USD100.00

    Group Discount
    Daily
    3.5 - 4.5 hour(s) (morning, afternoon)
  15. Ignite your sense for adventure on a 2-hour, 30-mile sightseeing cruise along the scenic Hamakua coastline, seeing the green Hilo side of the Big Island!

    USD138.89

    6%
    OFF
    Daily
    2.5 hour(s) (afternoon)
  16. Kona Glassbottom Boat is an affordable and family friendly ocean adventure! Cruise the tropical reef, observe marine life and enjoy a lively narration by knowledgeable marine naturalists. Also available for private charters.

    From USD53.86

    5%
    OFF
    Daily
    1.5 hour(s) (morning, afternoon, evening)
  17. Don't miss this amazing combo deal in Kona! Explore Kailua-Kona's underwater environment on the Atlantis Submarine, then immerse yourself in Hawaiian culture at the traditional Island Breeze Luau, both for one incredible price!
    Pick-up Provided
    Meal Provided

    USD234.81

    7%
    OFF
    Daily
    2 day (morning, afternoon)
  18. One of the most famous attractions in Kona, go night diving to see the manta rays as these nocturnal fish come to feed in the waters of Keauhou Bay. For certified divers only.

    From USD144.89

    Daily
    5 - 7.5 hour(s) (afternoon, evening)
  19. Experience the once-in-a-lifetime spectacle of swimming with manta rays! Every night, these graceful, nocturnal sea creatures come out to feed. Don't miss this opportunity to snorkel with mantas in Kona!
    Special

    USD127.10

    5%
    OFF
    Daily
    1.5 hour(s) (evening)
  20. Perfect for families, this 3 hour snorkel cruise takes you to the pristine waters of Kealakekua Bay, home to a colorful array of tropical marine life and affords you more time in the water to get comfortable and enjoy this incredible snorkel spot.

    USD106.63

    5%
    OFF
    Daily
    3 - 3.5 hour(s) (morning, afternoon)

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