Use promo code: JULY4 (must book on this website) and save 10% on Oahu Memorial Day Weekend 2026 tours, tickets, events, and things to do. Pick your tour below and use code JULY4 (savings are shown at checkout). The JULY4 Promo Code discount cannot be used with other promotions, is only redeemable on Cool Hawaii, and is a limited-time offer, so reserve your spot today while it lasts!
Oahu 4th of July activities 10% Promo Code (Updated 2026)

Oahu Open Water Shark Diving Experience
We are a Top-Rated Hawaii Eco-Tour run by Marine Biologists. We are known for Hawaii's famous Shark Diving, Whale Watches, Educational Snorkel Tours, and Private...
$150

Small Group Waikiki Sunset Sailing Tour
Hawaii is well known for its majestic sunsets, and there is truly no better way to experience it than on our boat, The Universe. Come...
$99

Witness the brilliant colors of a sunrise over Diamond Head crater. Ideal for early birds, couples or families who are up at the crack of...
$99

As you swim off of the coast of the world famous Waikiki beach, you’ll realize you’ve found your very own piece of paradise. Just far...
$50

Oahu Shark Diving (No cage)
For the thrill-seekers! We will travel three miles off of the North Shore of Oahu to find Hawaiiʼs famous Manō (shark). Surrounded by clear blue...
$131

Embark on an exhilarating guided kayak tour to the Mokulua Islands, led by our experienced guides! As we paddle towards Moku Nui, a designated bird...
$219

View wild humpback whales in their natural habitat on Oahu's stunning gold coast off of Waikiki. Our energetic crew will entertain you with hula and cultural chant...
$100

Guaranteed whale sighting or enjoy a complimentary rebooking within 5 days of your original tour! Enjoy unique underwater views from our underwater viewing room so...
$40

1.5-Hour Guided Marine Life Tour
Join us aboard one of the fastest and smoothest rides on the North Shore for the Whale Watching and Marine Wildlife Tour. Our experienced crew...
$105

See spectacular sunset and city lights views aboard Majestic by Atlantis Cruises, Hawaii's newest yacht cruise featuring Waikiki's only full-service bar and lounge on the...
$77

Come aboard the newest boat in the harbor, our 2023 All-American Marine Catamaran, Poseidon for the adventure of a lifetime! On this special tour, you'll...
$199

Guaranteed to see turtles at Turtle Canyon! We carry up to 6 people max, making for an intimate tour experience, while also respecting the animal's...
$104

Get the ultimate experience on a 46-foot world renown yacht while enjoying the West Oahu Sunset on this 2.5hour experience. With a passenger limit of 6, there’s...
$236

The best wreck diving experience in Hawaiian waters! Join us on a guided tour of a beautiful wreck on the south shore of Oahu. As...
$249

Waikiki Sunset Boat Cruise
Witness Waikiki's iconic sunset from the water while we take you along the beautiful coastline of Honolulu. Cruise by the beautiful Diamond Head and the...
$46

Our double-decker boat, Poseidon, offers multiple viewing angles for spotting dolphins during your Oahu dolphin watching cruise! Once we reach the snorkeling location, enjoy our...
$179

