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Glass Bottom Boat Tour in Ko Olina

Location: West Oahu, Oahu

Explore the mesmerizing underwater world of Oahu’s West Side through large viewing ports on a stable glass bottom boat  This unique experience, suitable for all ages, offers a glimpse into the vibrant marine life beneath the crystal-clear Pacific Ocean without getting wet. Enjoy the comfort of our state-of-the-art boat as you witness sea turtles, reef sharks, tropical fish, and even humpback whales during the season. With knowledgeable guides to enhance your journey, this tour is perfect for families, couples, and nature enthusiasts.

What to Expect

Join us at the Ko Olina Marina, where the 50ft glass bottom boat, named Alohi, awaits. Here you will meet your friendly captain and crew as you step aboard. The boat then departs and soon you’re cruising effortlessly over vibrant tropical reefs. Through the large glass viewing ports, a spectacular underwater world unfolds before your eyes. Marvel at the sight of graceful sea turtles gliding through the water, colorful schools of tropical fish darting among the corals, and elusive eels weaving their way through the reefs.

The waters of West Oahu are renowned for their exceptional clarity, attributed to the region's unique ocean currents and minimal runoff from land. This pristine visibility, often exceeding 100 feet, allows for unparalleled viewing of the vibrant marine life and intricate coral reefs, making it a premier destination for underwater exploration.

As you continue your journey, the views of the distant Waianae Mountain Range begin to tower above you while the crew shares captivating stories and fascinating insights about the natural and cultural history of the area, marine life and unique ecosystem of Oahu’s west side. The knowledgeable guides bring the ocean to life, enhancing your understanding and appreciation of this magical underwater world.

If you’re lucky enough to join us during whale watching season, from November to May, you might witness the awe-inspiring sight of humpback whales. These gentle giants migrate through Hawaiian waters to mate and calve, often putting on spectacular shows with breaches and tail slaps. The sight of these majestic creatures, coupled with their hauntingly beautiful songs, is an experience you’ll never forget.

Throughout the one-hour tour, the boat hugs the inside reefs, ensuring you get the best views of the marine life. The gentle cruise is perfect for all ages, providing a safe and comfortable way to explore the ocean’s wonders.

Sunset Cruise Option

The tour begins during the golden hour, when the sun's warm light bathes the ocean, creating a serene and breathtaking atmosphere. As you sail through the shimmering waters, the vibrant marine life beneath the boat comes to life, illuminated through the glass viewing ports. Witness colorful corals and exotic fish glowing in the golden light, offering a mesmerizing and unique perspective. As the journey continues, the sky transforms into a canvas of brilliant hues, from fiery oranges to soft pinks and purples. Finally, as the sun dips below the horizon, the tranquil ambiance and stunning views create an unforgettable and immersive experience, capturing the true essence of paradise.


  • Experienced and knowledgeable guides
  • Large glass viewing ports
  • Alcohol not provided, but BYOB is allowed
  • Restroom on board
  • Bottled water
  • Parking
  • Private tour option available


  • Not wheelchair accessible
  • Stroller accessible
  • Service animals allowed
  • Infants must sit on laps


1-3 hours


Ko Olina Marina: 92-100 Waipahe Place, Slip I-13, Kapolei, HI 96707, US

Cancellation Policy

Group Tours: 24 hours notice is required to be eligible for a full refund. Less than 24 hours notice and no-shows may be charged full price without exception. Guests who reschedule with less than 24hrs notice are subject to a $20 per person rescheduling fee. All rescheduling fees and open balances must be paid at the time of rescheduling by credit or debit card (cash payments are not permitted). Trips will run rain or shine. All trips are subject to change or may be canceled without notice due to the extreme weather or other unforeseen circumstance. Customers will have the option to reschedule or receive a full refund in the case of any operator cancellation

Private Charter Cancellations: 120 hours (5 days) notice is required to be eligible for a full refund. Less than 5 days but more than 48 hours notice will lose the trip deposit (or 20% of total payment) without exception. Trips canceled with less than 48 hours notice and no-shows may be charged full price without exception. The credit card on file will be charged in full for the appropriate balance due at the time of cancellation.