All Boating Charters
- Cabo Sights and Water Tours go deeper
- Cabo Sportfishing Crew - Reel Tequila
- Cabo Texas Star
- Cabo Tour Méndez
- Cabo Trek – My Dream
- Cabotaje Inversiones SL
- Cagliari Boat trip - Swim, Snorkel & Prosecco
- Caicos Catalyst Charters
- Caicos Lifestyle Yacht Charters
- Cajun Outcast Inshore Charters
- Cala Gonone Boat Tours
- Cala Gonone – Minicruise Gulf of Orosei
- Calabash Fishing Fleet
- California Coastal Charters
- California Coastal Charters – SS Tartar Sauce
- Callie Girl Crabbing & Cruising
- Callion Charters
- Calypso Charters Bonaire
- Calypso Fishing Tours
- Calypso Fishing Tours – Kylee Luna
- Calypso Kayaking & Boat Tours
- Camilas Fishing Tours
- Canados 49
- Canados 90
- Canal Creative Charters
- Cancun All Inclusive Experience
- Cancun Charter – AGAVERO 46ft
- Cancun Charter – SIN NOMBRE 55ft
- Cancun Riviera Maya Travel Inc
- Cancun Sailing – Lohengrin Catamaran
- Canella Destino – Bavaria
- Canella Destino – Dromor Triton
- Canella Destino – Jeanneau Sun Odyssey
- Canton Bay
- Canyon Eagle III
- Cap Mallorca Charter
- Cape Ann Cruises
- Cape Coral Boating with Blind Date Charters
- Cape Lookout Charters
- Cape May Whale Watcher
- Capers Island Wildlife Exploration
- Capri Pearl Boats
- Capri Rental
- Capri, Amalfi, Positano, & the Gulf of Naples
- Caprice Experience – Eco Boat
- Capricho Sport Fishing
- Capt G’s Epic Excursions
- Capt. Ariel's Boating Tours – Miami
- Capt. Geoff's Sightseeing Charters
- Capt. George – Santorini Culture Cruise!
- Capt. Lou Silva
- Capt. Mako Charters
- Capt. Mike's Private Tours
- Capt. Pete Jacobsen Keys Boat Tours
- Captain Adams boat excursions
- Captain Benny's Charter&Co.
- Captain Bryan's Sail & Snorkel
- Captain Buddy’s Outdoor Adventures
- Captain Carter Charters
- Captain Charlie Charter
- Captain Chill
- Captain Christian’s Charters
- Captain Cliff Adventure Tours
- Captain Clowers Charters
- Captain Dan Morgan, LLC
- Captain Dell Boat Charters
- Captain Discovery Boat Cruises LTD
- Captain Doug Chason
- Captain Fann's Fish Advisor
- Captain Fisher Charters
- Captain Flint Boat Charters
- Captain Gregg Fishing Charters
- Captain J's Charters
- Captain J.R’s Sunset And Dolphin Tours
- Captain JB Charters Inc.
- Captain Jace Allen – Glass Bottom Boat
- Captain Jeff's Excursion
- Captain Jerry's Watersports
- Captain John Cruises – Swimming & Snorkeling
- Captain Jon’s
- Captain Kota's Aquatic Excursions
- Captain Larrys Island Tours
- Captain Led Rentals - Yolo Lake Conroe
- Captain Leo's Charters
- Captain Mac
- Captain Manny Key Largo
- Captain Mark Ebank's Charters
- Captain Marvin's Watersports
- Captain Matt's Tours
- Captain Moto Adventures LLC
- Captain Nato's Charters
- Captain Nev's Charters And Cruises
- Captain Nev's Charters and Cruises -As marine
- Captain Offshore Fishing
- Captain Paul's Yacht Charters
- Captain Sandy Fink LLC
- Captain Sterling's Everglade Tours
- Captain Stu’s Charters
- Captain Thomas
- Captain Tilly OC Charters – Wedgie²