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)

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

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

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

Experience one Cool Hawaii's 2025 Top 20 Best Excursions in the country. This Oahu Catamaran snorkel tour offers unbeatable value and family-friendly fun from Waikiki....
$50

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

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

Waikiki Sunset Boat Cruise
No vacation is complete without experiencing a vibrant Hawaiian sunset from the water. Unobstructed views create the best photo opportunities! Listen to great music as...
$50

Join us for a 1-hour fun-filled sail departing directly off of Waikiki Beach! Enjoy a breezy midday diamond head sail with complimentary drinks on YELLOW...
$53

Humpback whales visit Hawaii each year and give birth in our warm tropical waters, it's a once in a lifetime experience that you will never...
$53

-Open bar fully included in $50 ticket: beer, wine, cocktails, and more -AMAZING value catamaran sail in Waikiki -Direct beach boarding — no harbor shuttle,...
$53

Observe the majestic humpback whales during their migration from December to March on this 1.5-hour sail in Honolulu. Experience the beauty of Oahu's coastline while...
$53

Free return trip if no whales are sighted! Our beautiful double decker tour boat is the best platform for viewing whales! Experience Humpback Whales in...
$54

2025 Cool Hawaii TOP 10 award for WATER EXPERIENCES in the UNITED STATES including the TOP SUNSET CRUISE in the US! Join us for a...
$55

- LIVE DJs on board, amazing dance music and sound systems - Bar on Board with 2 Free Drinks - Sunny, warm weather and breathtaking...
$55

Join an intimate whale watching adventure aboard open-deck sailing catamaran, limited to just 35 guests for a more personal experience. Every winter, humpback whales migrate...
$55

Step aboard Hawea, our hand-built 50′ catamaran, for a 90-minute afternoon sail that blends the laid-back spirit of Waikiki with the festive energy of happy...
$55

