We noticed that you're using an unsupported browser. The TripAdvisor website may not display properly.We support the following browsers: Windows: Internet Explorer, Mozilla Firefox, Google Chrome. Mac: Safari.
SemiSub is one of the world’s most luxurious high-tech watercraft. After a warm Hawaiian greeting, guests enjoy a short sail to a special reef location specifically selected for its underwater beauty. The tours last about 2 hours each and all guests...more
Hours Today: 7:00 AM - 6:00 PM
See all hours
900 N. Nimitz Blvd Suite 303, Honolulu, Oahu, HI 96817-6504
Does this place or activity allow service animals?YesNoUnsure
Is this a place or activity you would suggest for families with kids?YesNoUnsure
Is this a place or activity you would go to on a rainy day?YesNoUnsure
Does this place or activity accept credit cards?YesNoUnsure
Do you need to present an Identification Card when visiting this attraction?YesNoUnsure
Is this a romantic place or activity that you would suggest for couples?YesNoUnsure
Would you tell a friend to take an audio tour of this place?YesNoUnsure
Would you tell a friend to pay to skip the line?YesNoUnsure
Would you tell a friend to take a guided tour of this place?YesNoUnsure
Would you recommend athletic wear for this place or activity?YesNoUnsure
Semisub Inc. is open Sun - Sat (7:00 AM - 6:00 PM). Buy tickets in advance on TripAdvisor. If you book with TripAdvisor, you can cancel at least 24 hours before the start date of your tour for a full refund.
What's the best way to see Semisub Inc.?
According to TripAdvisor travelers, these are the best ways to experience Semisub Inc.: