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    Big Kahuna Water Sports

    Big Kahuna Water Sports

    4.9 • 173 reviews
    Honolulu, HI

    For more than 20 years, Greg “Big Kahuna” Hense has welcomed curious rookies and seasoned divers alike to the vibrant reefs of Oahu. A certified PADI instructor and boat captain, Greg keeps groups to six or fewer, offering hands-o...

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    Book Big Kahuna Water Sports

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    Private Sunset Cruise on Maunalua Bay

    Enjoy a private 2-hour sunset cruise with BYOB and ice provided

    $500
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    Turtle Snorkeling and Observer Boat Experience

    Snorkel a reef or watch from the boat with PADI guidance and included gear

    From$100person
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    Advanced Two-Tank Boat Dive

    Explore Oahu shipwrecks and reefs on a small-group two-tank charter for advanced divers

    $189

    Review summary

    4.9
    Excellent
    173 reviews•Google Maps

    Greg stands out as the star of this operation, earning consistent praise as a patient, knowledgeable instructor who excels at making nervous first-timers feel completely at ease. Reviewers highlight how he balances thorough safety training with fun, gives individual attention even to larger groups, and has a genuine passion for sharing underwater experiences. His team members, including Jen, Dray, Tony, and Captain Joe, also receive specific kudos for their teaching abilities and attentiveness. The setup works particularly well for beginners and families. Multiple groups mention bringing kids as young as 11, and parents appreciate the intimate boat size that doesn't feel chaotic or overcrowded. The Hawaii Kai location offers convenient free parking and nearby restaurants, plus relatively short trips to quality dive sites where guests regularly spot turtles, octopus, sharks, and abundant marine life. The photo packages are mentioned as worthwhile additions, capturing memories without you having to worry about equipment. Several reviewers specifically note this is their new benchmark for dive operations and have returned for repeat visits.

    What people are saying

    Review 1 of 5
    5/5

    Went with a group of 5 to Oahu for our open water scuba certification and we had a great time with Greg and team! It was our first certification experience (and first multi-tank dives) and we felt really supported with plenty of individual attention despite our group size. Greg was very patient and willing to be flexible with timing when our pre-dive training went a little over time and the boat charter had to be pushed back some. Captain Joe and Greg were very supportive and caring when members of our group experienced seasickness and needed assistance. Greg kept a balance between the practical training and having fun, so every dive was super enjoyable! We had great value and came out feeling prepared and excited for future dives

    Photo of Emily Harvey

    Emily Harvey

    2 weeks ago

    Review 1 of 1
    5/5

    Went with a group of 5 to Oahu for our open water scuba certification and we had a great time with Greg and team! It was our first certification experience (and first multi-tank dives) and we felt really supported with plenty of individual attention despite our group size. Greg was very patient and willing to be flexible with timing when our pre-dive training went a little over time and the boat charter had to be pushed back some. Captain Joe and Greg were very supportive and caring when members of our group experienced seasickness and needed assistance. Greg kept a balance between the practical training and having fun, so every dive was super enjoyable! We had great value and came out feeling prepared and excited for future dives

    Photo of Emily Harvey

    Emily Harvey

    2 weeks ago