North Shore Shark Adventures has been safely operating since 2001 as the original and most established shark adventure tour in Hawaii, offering thrilling shark cage diving tours on Oahu's North Shore where sharks glide up from deep cobalt waters with 100% guaranteed sightings. No fancy equipment or training is needed; simply use the provided mask and snorkel while holding onto bars in the spacious aluminum shark diving cage—no swimming required. Transportation is available from Waikiki, Honolulu, with tours returning around 2pm to allow time in Haleiwa Town.

Hawaii Adventure Diving offers cage-free shark diving tours from Haleiwa Harbor on Oahu's North Shore, led by top shark handlers for immersive, safe experiences with species like Galapagos, Hammerhead, and Tiger Sharks. Family-friendly for ages 5+, with safety divers, eco-friendly practices, and optional photography packages.

Hawaii Shark Encounters is a small business offering unique shark cage diving tours from Haleiwa Small Boat Harbor on Oahu's North Shore. Guests board the 32-foot vessel 'Kainani' for a 2-2.5 hour trip to international waters over 3 miles offshore, where they experience safe shark encounters in the largest shark cage in Hawaii. The tours are family-friendly for ages 5 and up, no swimming skills required, with education on shark biology, behavior, ecosystem, conservation, and Hawaiian culture. Features include plexiglass windows for close views, safety diver, hot water shower, and guaranteed shark sightings or money back.

Haleiwa Shark Tours is a locally owned and operated pelagic shark diving tour on Oahu's North Shore, fully owned by Native Hawaiians including professional surfers Kala Alexander and Makua Rothman. It offers safe shark cage diving experiences three miles offshore from Haleiwa Harbor, allowing visitors to snorkel in a cage to observe species like Galapagos, sandbar, and occasionally tiger sharks, while sharing the cultural significance of sharks in Hawaiian history and mythology.

Sea & Board Sports Hawaii offers adventure tours on Oahu's North Shore, including surf lessons, outrigger canoeing, glass bottom kayak tours, circle island Jeep tours, kayaking, and paddleboarding on the Anahulu River to see sea turtles, with top-notch equipment, accessible options for groups and beginners, and safety-focused lifeguard-certified instructors.

Bob Marlin Charters offers private custom sea tours in Haleiwa on the North Shore of Oʻahu, Hawaii, including sport fishing, wildlife viewing, snorkeling with wildlife, sunset cruises, whale watching, dolphin watching, and private custom tours using local knowledge.

Hawaii Ocean Adventure Tours, founded in 2016 and located in Haleiwa on Oahu’s North Shore, offers private customizable boat tours including cage-free shark diving, whale watching, snorkeling, fishing charters, and sunset cruises. Led by Captain Ryan, the business focuses on sustainable, eco-friendly ocean adventures tailored to small groups, emphasizing responsible tourism and marine ecosystem protection.

Information about the charter business at http://sailingcat.com/ is not available in the provided search results.

Ocean Addict Shark Excursions offers cage-free shark diving, whale watching, snorkeling, fishing charters, and private boat tours along Oahu's North Shore, providing intimate marine adventure experiences with knowledgeable guides promoting marine conservation.

Coastal Kayak Tours is the North Shore's oldest and most experienced guided kayak tour company on Oahu, offering private kayak tours in Haleiwa, Anahulu River, Chinaman's Hat, and North Shore locations. Tours cater to all levels, including families and beginners, with opportunities to see turtles, dolphins, and whales, learn Hawaiian history, and include options like sunset tours, hikes, beach BBQs with local meals, and full-day adventures with transportation and food.

Pearl Fishing Oahu is a family-friendly Oahu fishing charter service based in Haleiwa, operating aboard the 35' Bertram vessel Pamela Pearl. Led by Captain Chris Freed with over 40 years of experience, they offer deep sea fishing targeting species like Marlin, Mahi Mahi, Ono, Yellowfin Tuna, and Skipjack Tuna, as well as nearshore bottom fishing for over a dozen species. They cater to families, serious anglers, and first-time fishers, providing gear, techniques, and a focus on safety and success.

Go Fishing Hawaii offers world-class Oahu deep sea fishing charters from Haleiwa Harbor on the North Shore, providing private half-day (4-5 hours) and full-day (8-9 hours) trips targeting species like mahi mahi, wahoo, yellowfin tuna, and marlin. Experienced crew ensures safe, professional experiences on a private 31 Hatteras Flybridge boat with covered cabin and onboard toilet, including rods, tackle, bait, ice, and water.