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)

Cruise to Molokini and snorkel into a crescent-shaped submerged volcanic crater! Discover the beautiful coral reefs and tropical fish underneath the water, or bask in...
$213

Rainbow Kayak Tours has been providing guided tours of the Wailua River for 20 years. Our experienced guides are well versed in the flora and...
$165

Avoid crowds on our quiet, fast, 32 foot, Coast Guard inspected vessel. We only allow 16 guests on the boat, and every seat has a...
$194

Maui Atlantis Submarine Adventure
All riders must be 36 inches or taller to participate/ride submarine. Dive 100 feet below the surface and experience Maui’s marine treasures off beautiful Lahaina...
$144

Step aboard this double–decker catamaran, loaded with luxury features to provide you with the most comfortable snorkeling experience on Hawaii Island. Cruise 10 miles to...
$184

Kauai: Na Pali Coast Power Catamaran
We are a local, family-owned business dedicated to creating unforgettable small-group adventures along the stunning Nā Pali Coast. Our custom-built vessels are designed to combine...
$275

• 85–95% manta ray sighting rate at Manta Village, Kona • Return free within 7 days if no mantas seen — space available • Owner...
$141

Depart Keauhou Bay at 2:00 PM aboard the Hoku Nui — Sea Paradise’s 50-foot luxury sailing catamaran — and sail to the World Famous Captain...
$136

Our small group, 2-hour whale watching tours offer an intimate experience that larger boats can’t match. Departing from Mala Ramp in Lahaina, we visit the...
$72

Join us aboard our luxurious 50’ catamaran “Kona Style”, as we sail the Kona coast. Scan the horizon for dolphins and whales (seasonal) from our...
$189

Waikiki: BYOB Sunset Cruise
Hawaii is well known for its majestic sunsets, and there is truly no better way to experience it than on a boat out at sea....
$59

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

Enjoy a prime opportunity to see humpback whales as they migrate through Hawaiian waters from Alaska between December and May. Setting out from Kihei, cruise...
$100

Our North Shore Circle Island Adventure including Snorkeling with the turtles offers a one-of-a-kind experience that seamlessly blends natural beauty, cultural immersion, and unforgettable encounters...
$149

Set sail on a 3-hour Ko Olina catamaran cruise and explore the crystal-clear waters off Oahu’s western coast. Departing from the Ko Olina Marina, this...
$195

Whale Watching On The Big Island
Let us take you for an awesome journey on our fast powered catamaran that has shade to offer while spotting whales. The boat is also...
$109

