Seabridge Marina is a fully operational luxury marina in Oxnard, CA, at Channel Islands Harbor, featuring beautifully landscaped parks, a children's playground, pedestrian bridges, walkways, state-of-the-art Bellingham Docks with electricity and water access, security with electronically controlled gates, and proximity to dining and amenities. It offers slip rentals and is part of the Clean Marine Certification Program.

Channel Islands Expeditions is a guide-owned and family-operated charter business since 1991, offering private charters to Channel Islands National Park for groups, schools, churches, and more. They provide customizable experiences including vessel-supported downwind kayaking expeditions, snorkeling, sea cave exploration, and ocean-based adventures from Oxnard with boat transportation included.

Hook's Landing is a 4th generation family operated business that specializes in providing the finest in saltwater sport fishing experiences in the Channel Islands. They offer open party and private charter trips for all occasions, including local freelance 3/4 day trips, overnight, and multi-day adventures. Boats feature fully stocked galleys, big open decks, live bait docks, and a guest dock. All boats are individually owned/operated, with Hooks Sportfishing acting only as the ticket agent.

Marine Emporium Landing in Oxnard, California, is a vibrant waterfront destination in Channel Islands Harbor offering recreational activities, dining, shopping, and water-based adventures including guided tours, fishing charters, kayak rentals, whale watching, scuba diving, snorkeling, and excursions to the Channel Islands National Park.

Channel Islands Marine Safari Adventures offers unique guided tours of Channel Islands Harbor and surrounding areas, focusing on marine wildlife observation including sea lions, dolphins, and sea birds in their natural habitat. Tours emphasize education on responsible stewardship of the ecosystem, cultural history of the harbor, and local recommendations, aboard the 32-foot Radon vessel North Sea with a tiki-style theme, captained by Dave Colker with extensive experience.

Channel Islands Dolphin Adventures offers intimate small-boat tours from Oxnard and Santa Barbara for close encounters with dolphins, whales, sea lions, and other marine wildlife, featuring knowledgeable guides, a 70′ multi-level yacht with full bar and panoramic views, and access to the Channel Islands' wild marine environment.

Sail Channel Islands offers luxury and economy sail charters, private sailing lessons from beginner to advanced, day cruises to Channel Islands like Anacapa, overnight charters, and ceremonies such as weddings or memorials aboard yachts Wiley (economy, up to 4 passengers) or Sancerre (luxury Jeanneau 45.2, up to 6 passengers) crewed by Capt. Dan and Bosun.

The Scarlett Belle is a luxury paddlewheel riverboat located at Marine Emporium Landing in Channel Islands Harbor, Oxnard, offering private all-inclusive charters for weddings, company parties, birthdays, corporate events, and special occasions, with features including two fully stocked bars, a dance floor, and a booming sound system. On some holidays, dinner cruises are open to the public.

Mirage Sportfishing operates out of Oxnard, California, specializing in overnight fishing trips to the Northern Channel Islands. It is known for world record California Halibut catches and as one of California's top sportfishing operations, departing from Channel Islands Sportfishing Center.