Koko Marina Center is a shopping center in Hawaii Kai, East Oahu, featuring water sports activities, restaurants, shops, and services, located 20 minutes from Waikiki near Hanauma Bay.

Waikiki Dive Center is the first PADI 5-Star Instructor Development Center in Hawaii and the only full-service dive shop in Waikiki, providing scuba diving certification courses, guided dive tours, equipment rentals, repairs, and snorkeling packages since 1979. They operate United States Coast Guard-certified vessels including Snoopy V (up to 13 passengers) and Submariner (up to 25 passengers), specializing in small groups with no more than six participants per instructor, offering wreck and reef dives, night dives, and multilingual instruction in English, Spanish, Japanese, Korean, Mandarin, Cantonese, and Portuguese.

Dive Oahu is Honolulu's premier dive shop and one of the largest dive centers on Oahu, operating for over 25 years with PADI-certified instructors. They specialize in scuba diving tours including wreck and reef dives on South Shore (Waikiki) and West Oahu (Waianae), private scuba and snorkel charters, beach services like snorkel and surfboard rentals at Waikiki and Hanauma Bay, and outrigger canoe tours. Tours depart from Kewalo Basin Harbor and Waianae Boat Harbor, offering 2-3 tank dives, introductory dives, and gear included.

Polynesian Hostel Beach Club is a fun, clean, safe, and affordable hostel located half a block from Waikiki Beach in Honolulu, offering dormitory accommodations for up to 75 guests, beach amenities like towels, snorkel gear, and surfboard rentals, weekly guided hikes, social events, and paid tours including Circle Island Tour, North Shore Tour, and Catamaran Snorkel and Sailing Tours.

The Outrigger Canoe Club is a private club founded in 1908 on Waikiki Beach, celebrating Hawaiian ocean sports traditions including canoe paddling and surfing, with amenities like beach services, dining, fitness, and private events.

Experience the beauty of Oahu’s wildlife on a two-hour catamaran snorkel tour from Waikiki to Turtle Canyon, where guests snorkel with green sea turtles, dolphins, whales, and monk seals in their natural habitat. Includes premium snorkel equipment, snacks, beverages, and a 100% turtle sighting guarantee or full refund. Operates at limited capacity for comfort with a maximum of 28 travelers.

Aloha Scuba Diving Company is a Veteran & family-owned PADI 5 Star Instructor Development Center (IDC) scuba dive shop in Honolulu, Oahu, Hawaii, with locations inside the Ala Moana Hotel in Waikiki and at Ala Wai Harbor slip #68. They offer scuba diving charters, training, Discover Scuba Diving, snorkeling, equipment rentals, and dive trips for all levels from beginners to certified divers, emphasizing safety, hospitality, and conservation as a 100% PADI Aware Dive Shop.

Honolulu Scuba Company is Oahu's premier dive center located in Kaka’ako near Waikiki, offering scuba certification courses, guided boat and shore dives, technical diving charters from Waianae Small Boat Harbor with exclusive access to west side dive sites, full-service equipment sales, rentals, air/nitrox/trimix fills, and on-site repair services including rebreathers. They own their custom dive boat, provide free transportation from Waikiki, and cater to all skill levels with small groups and expert guides.

Hawaii Water Sports Center is a recreational water sport rental and booking facility in Honolulu, Hawaii, offering parasailing, jetskiing, waterskiing, scuba diving, snorkeling, boat rides, wakeboarding, banana boat rides, and bumper tube rides. It caters to thrill-seekers, families, tourists, and locals with multi-ride specials and combo adventures launching from locations near Waikiki.

Rainbow Bay Marina and Hickam Harbor Marina offer wet slips, dry boat storage, lockers, sailing classes for youth and adults, private sailing lessons, sailboat rentals, outrigger canoe paddling, and other water activities like snorkeling, paddle boarding, kayaking, surfing, bottom fishing, and spearfishing on Pearl Harbor and Hickam.

Capt. Jim's Personalized Ocean Charters offers luxury private and shared charter cruises in Oahu, Hawaii, including whale watching, snorkeling, scuba diving, fishing, and event celebrations aboard various vessels like a 74-foot Striker yacht, 65-foot catamaran, 34-foot Hatteras, and scuba boats, with customizable itineraries and experienced crew.

Hawaii Beach Time is Oahu's only beach gear rental delivery company. They deliver kayaks, snorkeling gear, stand up paddle boards, surfboards, umbrellas, beach chairs, coolers, boogie boards, and more to any beach, hotel, or vacation rental on the island for convenient beach days.