All Boating Charters
- Cartagena Private Boat Trips
- Casa Oliva Nera – Lullaby
- Casa Sul Mare
- Cascais Boat Tours with Dreamboats
- Cascais: Exclusive private boat tour
- Casey IV Charters
- Casey Key Tiki Tours
- Casey Key Water Taxi Tours
- Cast Out Fishing Charters
- Castaway Charters Puerto Rico
- Castaway Custom Charters
- Castndreamz – Miami Sandbar Hopping
- Casual Fare Sailing Charters
- Casual Monday Charters – Belzona 325 CC
- Cataleya Boat Tour
- Catamaran Kikijoko
- Catamaran Magano
- Catamaran Quest
- Catamaran Semi-Private Classic Cruise
- Catamaran Semi-Private Luxury Cruise
- Catamaran Semi-Private Premium Cruise
- Catamaran TurTur – Bigspace
- Catamaran in Paradise
- Catania Yacht Charters
- Catarina
- Catch & Sea Charters
- Catch 1
- Catch And Cruise NC - World Cat
- Catch My Drift – Private & Exclusive Charters
- Catch and Cruise Adventures
- Catch and Cruise NC – Pursuit 3070
- Catchin In The Keys Charters
- Catching Crusader Tours
- Catching Memories Charters
- Catfishing with Capt. Mark Lawson
- Cavtat Boat Trips – Elafiti Islands
- Cay Lime Charters – 23ft Regulator
- Cay Lime Charters – Exuma
- Cayman BioGlow Adventures
- Cayman Experiences - Bently
- Cayman Experiences – Searay 260 Bowrider
- Cayman Live Bait
- Cayman Luxury Adventures
- Cayman Ocean Adventures – Angel
- Cayman Ocean Adventures – PeaceMaker
- Cayman Sailing
- Cayman Snorkel Co
- Cayman Sun Splash Tours
- Cayman Vibes Charters
- Celestial Charter – Molinette
- Centaur Adventures
- Centaurus Yachts Charter – Dionysos 77ft
- Centaurus Yachts Charter – Etosha 58ft
- Centaurus Yachts Charter – Kronos 85ft
- Centaurus Yachts Charter – Lagoona 56ft
- Centaurus Yachts Charter – Riverside 40ft
- Centaurus Yachts Charter – Silver Creek 61ft
- Centaurus Yachts Charter – Storm 36ft
- Centaurus Yachts Charter – Thunder 36ft
- Centaurus Yachts Charter – Vassia 56ft
- Central Coast Angling
- Central Coast Angling – Traverse Bay Sunset
- Central NH Guides
- Centuria Sea Adventure
- Cerberus Boats – Bavaria 37 Sport Hardtop
- Cerberus Boats – Fun Seeker
- Cesar PV Trips
- Champagne Charters
- Champions Boat Tours
- Chances R Fishing Charters
- Chaparral 230SSI Sport Boat
- Chapter Two Lux Catamaran Riviera Maya
- Charleston Saltwater Fishing Charters
- Charlestowne Coastal Charters LLC
- Charlie – Custom made 30ft Luxury Speedboat
- Charlotte Harbor Adventures
- Charlotte Harbor Angling Adventures
- Charter & Villas
- Charter Boat 2nd Chance
- Charter Boat Family Tradition – Sunset Cruise
- Charter Boat Puerto Banus – De Antonio D34
- Charter Click Leisure Yachts – Anna 85
- Charter Click Leisure Yachts – Veronika 55
- Charter Click Leisure Yachts – Viktoriia 46
- Charter Finders LLC 260 Deck Boat
- Charter Finders LLC pontoon
- Charter Fishing With Captain Stacy
- Charter Me Bahamas
- Charter Nirvana
- Charter Tortuga
- Charter of the Caribbean – Icacos or Palomino
- Charters Tampa Bay
- Charters n Paradise
- Charters with Drew
- Chartiers Del Mar – El Capricho 100 ft
- Chase N Dreams Charters Fort Lauderdale
- Chase N Dreams Charters Miami Beach
- Chase N Dreams Charters Sapona Wreck Bimini
- Chasin Dreams Boat Tours
- Chasin Fins