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)

Our vessel "Hokulani" is a beautiful and spacious custom built sailing trimaran specifically designed for a comfortable ride in Hawaiian waters. What makes Hokulani unique...
$71

Sail Ke Kai for our Popular 90-minute Sunset Sail departing directly off of Waikiki Beach! Enjoy a stunning Hawaiian sunset on a yellow and purple...
$70

2 hour Lahaina Sunrise Whale Watch
Guaranteed whale sightings. Our boat is newly remodeled for passenger comfort. This boat is a photographers dream, and boasts 360-degree views with plenty of elbow...
$70

Our tour offers a plethora of beautiful views such as Waikiki bay itself, Diamond head crater (Lē‘ahi), crystal blue waters, a gorgeous sunset, and from...
$70

A beautiful swim and boat ride along the south shore of Oahu, potentially viewing sea turtles, dolphins, fish, and whales (seasonal). Our snorkel, swim and...
$70

After the sun goes down, the fun goes up! On Friday nights, you’ll be front and center as the fireworks explode over the city’s skyline,...
$70

*Hawaii Ocean Project has been one of Lahaina's favorite whale watches for over a million visitors for over 30 years!* - Stay dry and move...
$70

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

Paddling a Hawaiian Outrigger Canoe or Wa'a from the site where King Kamehameha united the Hawaiian Islands and watched over his kingdom is a chance...
$69

Experience the breathtaking beauty of nature with our Sunset Whale Watch excursion. Join us for an unforgettable journey as we set sail into the golden...
$68

Waikiki Glass Bottom Boat Sunset Cruise
Discover why Hawaii Glass Bottom Boats is one of the best Waikīkī boat tours and a must-do activity in Honolulu. Departing from Kewalo Harbor, just...
$65

Join us for great music an unforgettable tropical sunset followed by a fireworks show from the water. This is definitely a must do if you...
$65

Set sail on a spacious catamaran for a memorable sunset cruise that begins with a refreshing swim in the crystal-clear waters off Waikīkī Beach. Glide...
$65

Kualoa Ranch: Ocean Voyage Tour
To start off with you’ll cross Moli’i fishpond, an 800 yr old example of ancient Hawaiian aquaculture, where you will learn about sustainable fishing practices...
$64

This sail only happens once a week and there’s no better way to take in the fireworks than from the waters aboard our catamaran, where...
$63

Choose Cool Hawaii’s most-reviewed Turtle Canyon snorkel tour, with more than 4,800 traveler reviews and an experienced crew focused on a professionally guided in-water experience....
$62

