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)

Maui Adventure Cruises Explorer Super Rafts Depart Lahaina Harbor. We head across the Au’au Channel to the Island of Lana’i where Two (2) Snorkel sites...
$283

Embark on an exhilarating 5-hour journey to the Mokulua Islands, led by our experienced guides! Say goodbye to car hassles—your transportation to Kailua Beach is...
$285

Picture yourself boarding Alii's newest and most elegant catamaran as the golden hues of the Maui sunset begin to paint the sky. As you step...
$289

Set sail for a once-in-a-lifetime adventure along Kauai’s iconic Na Pali Coast. This five-hour catamaran journey combines spectacular sightseeing, exciting snorkeling, and all-inclusive comfort, making...
$292

Why go with an overcrowded catamaran, when you can enjoy the privacy with your love one .This private tour was specifically created for Newlywed couples...
$300

Begin your morning with a chef-prepared buffet breakfast as we cruise to Molokini Crater, a world-renowned marine preserve home to over 400 species of tropical...
$306

Experience the Magic of Waikiki: Sunset Boat Tour Join us for an unforgettable sunset boat tour in beautiful Waikiki, Oahu! As the sun dips below...
$314

We are a family-owned Maui company with over 40 years of experience on Hawaiian waters. Our expert Captains and crew bring decades of combined local...
$318

Captain Cook’s Monument, and the legendary “Place of Refuge” are in one of the most sought-after snorkeling destinations in all the world, Kealakekua Bay. This spot...
$319

Go big or go home on one of the most ambitious tours Kauai has to offer—a 90-mile ocean adventure up the Napali Coast and across...
$361

This Road to Hana experience is all about having an easy, fun, and unforgettable day with a great guide you’ll actually enjoy spending time with....
$370

Enjoy a relaxing cruise along the North Shore of Oahu. Take in the breathtaking views of Oahu from the water where you can see Mt....
$400

This is your adventure! With our private boat tour, you and your group are in control of your experience. Cruise the breathtaking Waikiki coastline on...
$420

3-hour Maalaea Luxury Snorkel Cruise: Escape the crowds on this intimate snorkel. Share Incredible experiences with Hawaii Nautical. Maalaea Harbor is a wonderful starting point...
$449

You will receive special Ocean Safety training prior to your adventure. Our two way radio helmets help us to give precise specific info as needed...
$450

Our Captain and mates have travelled all over the polynesian islands to experience other whale-watching tours and have used all the information we've learned from...
$524

