Use promo code: JULY4 (must book on this website) and save 10% on Hawaii 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!
Hawaii 4th of July activities 10% Promo Code (Updated 2026)

Why Choose Us for Your Manta Ray Night Snorkel? The strongest light power out of any operator…! Choose us if you want the most manta...
$15

Join us for a 2-hour snorkeling adventure at Turtle Canyon, one of Oahu’s top snorkeling spots! Cruise along the stunning Waikiki coastline aboard the either...
$81

Big Island Manta Ray Night Snorkel
A must do while in Hawaii! It's a lifetime opportunity to see up close manta rays feeding and interacting with other ocean creatures under the...
$94

2 different snorkeling locations! Captain Cook Snorkel Tour to kealakekua bay. Fast, agile Zodiac navy boat (used by Navy SEALs) gets you to the bay...
$69

Maui: Ultimate Whale Watch from Lahaina
Our most popular Ultimate Whale Watch experience! small groups make every seat a front row seat as you enjoy whale watching and educational talks from...
$77

Glass-Bottom Boat Reef Tour
Our tours depart from the Kailua-Kona pier on the Big Island of Hawaii. Discover the beauty of Kona's underwater world aboard Marian, a 36-foot (10-meter), custom-designed glass-bottom boat....
$72

Our highly rated crew is known for customer service. We orchestrate a fun and relaxed vibe, made possible due to our small group experience. Our...
$197

Snorkel Turtle Canyon on the Largest Luxury Catamaran! Top Quality Gear, Certified Crew & Premium On Board Bar. When you trust Moana Sailing Co. for...
$85

Oahu: Atlantis Submarine Adventure in Waikiki
Explore Waikiki’s marine mysteries while diving more than 100 feet underwater in an air-conditioned, eco-friendly, battery-powered submarine! A special added bonus of this tour experience...
$151

Glass-Bottom Boat Cruise from Waikoloa
Discover the Big Island’s vibrant underwater world on this glass-bottom boat cruise on Anaeho’omalu Bay. From Waikoloa, near Kona, board a comfortable 26-foot (7.9-meter) boat...
$50

All aboard! There is no better place to be during Oahu’s magnificent golden sunsets than on our Waikiki Sunset Cruise, an unmatched experience complete with...
$90

Enjoy this 2-hour guided adventure on a double-deck power catamaran to watch the whales in their natural habitat. Depending on the whales’ behavior during your whale...
$50

-Open bar fully included: beer, wine, cocktails, and more -21+ only on Fridays! -Direct beach boarding — no harbor shuttle, no bus, no wasted time...
$85

Experience the best of Waikiki on a Turtle Snorkel & Sail combo aboard the Hawea Catamaran. This popular Oahu tour blends marine exploration and island...
$90

Oahu: Submarine Scooter Adventure
Dive into an unforgettable underwater adventure on Oahu’s beautiful Maunalua Bay. Cruise past the iconic Diamond Head Crater aboard a comfortable power catamaran before descending...
$188

There’s no better place to take a dip than the crystal-clear waters of Waikiki—and no better way to experience a Hawaiian sunset than from the...
$59

