Semisub LLC | Oahu Tours & Activities Booking Website HawaiiActivities.com

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Semisub LLC
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Last updated: 2020/05/19
Semisub Inc. is a new technology commercial marine company that employs a patented ballasting system and custom designed viewing windows that allows our vessels to operate as a luxury cruise boat and partial semi-submersible. Passengers experience the beautiful, breath-taking underwater world from a side perspective from special viewing compartments that are very comfortable located in vessel’s the jet-powered catamaran hulls.

Our mission is to provide a world class entertaining guest experience while educating participants on the vital importance our reefs and marine ecology play on our earth.

    Availability varies by date for all activities.


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