All Boating Charters
- Captained 51' Sea Ray Sundancer Luxury Yacht
- CaptnDiving
- Cardi Boat Sxm
- Carent tours
- Caribbean Breeze Tours – Deep Obsession
- Caribbean Breeze Tours – Lil' Amber
- Caribbean Breeze Tours – Play Time
- Caribbean Experience
- Caribbean Sailing Cancun
- Caribbean Time Watersports
- Caribe Ossi Tours – Balsita
- Caribe Ossi Tours – Vianska
- Caribe Ossi – Atomic Marine 43
- Caribe Sun Adventures
- Caribe Sun Adventures
- Caribeño Boat
- Carina Yacht Rhodes
- Carlina Yacht Private Tour
- Carly's Boat Trip
- Carolann P Fishing Charters
- Carolena Charters
- Carolina Catch Co. – Silverton 38SB
- Carolina Catch Co. – Tiki 22'
- Carolina Charters
- Carolina Coast Life
- Carolina Fishing Tours in Cabos
- Carolina Girl
- Carolina Hook N' Reel
- Carpe Diem Charters
- Carpediem
- Carrillo Team
- Cartagena Private Boat Trips
- Casa Oliva Nera – Lullaby
- Casa Sul Mare
- Cascais Boat Tours with Dreamboats
- Cascais Sailing Experience
- Casco Bay Legacy Charters
- Casey IV Charters
- Casey Key Tiki Tours
- Casey Key Water Taxi Tours
- Cast Net Charters
- Cast Out Fishing Charters
- Castaway Charters Puerto Rico
- Castndreamz – Miami Sandbar Hopping
- Casual Fare Sailing Charters
- Casual Monday Charters – Belzona 325 CC
- Cataleya Boat Tour
- Catamara Brasil
- Catamaran Hellas – Ocean Star 51.2
- Catamaran Hellas – Omega 56
- Catamaran Magano
- Catamaran Mala
- Catamaran Quest
- Catamaran Quest
- Catamaran Semi-Private Classic Cruise
- Catamaran Semi-Private Luxury Cruise
- Catamaran Semi-Private Premium Cruise
- Catamaran Spinaker
- Catamaran TurTur – Bigspace
- Catamaran in Paradise
- Catania Yacht Charters
- Catarina
- Catch & Sea Charters
- Catch 1
- Catch And Cruise NC - World Cat
- Catch Me Outside Charters – La Capitana
- Catch Moore Charters
- Catch My Drift – Private & Exclusive Charters
- Catch and Cruise Adventures
- Catch and Cruise NC – Pursuit 3070
- Catchin In The Keys Charters
- Catching Memories Charters
- Catfishing with Capt. Mark Lawson
- Cay Lime Charters – 23ft Regulator
- Cay Lime Charters – Exuma
- Caye Caulker Reef Friendly Tours
- 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 – 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