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)

Experience a special turtle snorkeling adventure in Waikiki aboard a smooth and comfortable catamaran. This all-in-one 6-in-1 ocean tour includes snorkeling, kayaking, stand-up paddleboarding (SUP),...
$95

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

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...
$99

Experience the ultimate Waikiki Friday night party cruise - complete with front-row views of the famous Waikiki Fireworks show! This 21+ Only party cruise includes...
$99

Waikiki Signature Sunset Catamaran Sail
Experience a Hawaiian sunset like no other on a cocktail cruise along Oahu's coast. Departing from Waikiki and heading toward Diamond Head, this catamaran journey...
$99.95

Embark on a delightful journey through Oahu's pristine waters on a luxurious and comfortable catamaran. Our Turtle Snorkeling Package offers a unique opportunity to snorkel...
$100

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 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...
$103.66

Whale Watching Catamaran Sail
2hr whale watching sail aboard the Ho'oNaea Catamaran. Enjoy Oahu's majestic North Shore and encounter the Hawaiian Humpback whales up-close from the of the decks...
$105

Effortless Luxury Sailing Cruises
Discover Oahu’s breathtaking coastline aboard the luxurious Makani Catamaran, one of Waikiki’s largest and most elegant 65-foot sailing vessels. Departing from convenient Kewalo Basin Harbor...
$109.10

Swim with turtles and fish, while enjoying the crystal blue topical waters. Sail the scenic Waikiki coastline and snorkel at Turtle Canyon. Our eco-conscious cruise...
$109.95

Discover the best of Honolulu’s underwater world in one unforgettable experience—perfect for first-timers! This 2-in-1 ocean adventure combines beginner-friendly scuba diving and snorkeling in the...
$116.10

Looking for the BEST VALUE & MOST COMPLETE Circle Island Snorkeling Tour? Join us for the ultimate full-day, action-packed adventure that will guide you to...
$118

Waikiki Deluxe Catamaran Whale Watch
Experience the wonder of Hawaii's humpback whales on a smooth, scenic sail along the Waikiki coastline. From December through April, these majestic creatures migrate to...
$119

Set sail along the iconic Waikiki coastline for a laid-back 1.5-hour afternoon on the water. This experience emphasizes relaxation, scenic views of Oʻahu’s south shore,...
$119

