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

Discover our world beneath the waves with Atlantis Submarines Kona! Our battery-powered vessels are the world’s most technologically advanced passenger submarines. A special added bonus...
$144

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

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

This two-and-a-half hour whale watch tour with a certified naturalist departs from the Kailua-Kona pier during whale season (December to April). Hear singing males on...
$151

Waikoloa Deluxe Whale Watch
Experience the magic of whale season in Waikoloa with a guided whale watching tour along the stunning Kohala Coast. Choose between the thrill of a...
$129

Snorkel at a colorful protected reef known as Kealakekua Bay located next to Captain Cook's monument. A truly historical sight! Encounter wild dolphins, sea caves,...
$149

What Makes Our Daytime Snorkel to Kealakekua Bay Unique Fast, agile Zodiac RIB boat (used by Navy SEALs) gets you to the bay quickly and...
$99

Kona Deluxe Catamaran Whale Watch
Every winter, thousands of humpback whales return to Hawaii's warm waters - and there's no better way to see them than from the deck of...
$109

On this 3-hour excursion you can expect to see and snorkel with as much sea life as possible. Trust our Captains and Crew with their...
$80

Experience the history and natural beauty of old Hawaii, unlike anywhere else in the islands, as you will soon discover Hilo Bay captures the feeling...
$160

Enjoy the day out on the waters off the Kona Coast on this private chartered fishing and boating excursion. Sit back, relax and drink in...
$862

Whale Watching on Big island
Hawaii’s Big Island is home to migrating pods of humpback whales, which often breach as they build up energy for their northward migration. This narrated...
$80

If there is anything you would specifically like us to accommodate, please let us know in advance and we will do everything possible to meet...
$1,295

Unwind in true island style on our Mauna Kea Coastline Cruise, departing from Kawaihae Harbor aboard Olohana — a 41-foot luxury powerboat designed for comfort...
$99

The Kohala Coast is a whale breeding sanctuary and the best area on the big Island to encounter whale activity. The Namaka is a spacious...
$157

Blue Marlin, Wahoo, Mahi Mahi, Yellowfin Tuna, Striped Marlin, Shortbill Spearfish, and more are in the cards if you come at the right time of...
$850










