All Boating Charters
- Big Mama Sailing Townsville – Ragamuffin
- Big Mama Sailing Townsville – Samurai
- Big Meech Water Sports
- Big Mike Sea Adventures
- Big Mike Sea Adventures – Big Mike
- Big Red Charters
- Big Reef Charters
- Bigboats UAE
- Bigscalefishing
- Billfisher Deepsea Fishing
- Billy’s Charter
- Biloxi Bluewater Charters
- Bird's Eye Maine Boat Tours - Portland, Maine
- Birdwatching and Boat Trips
- Biscayne Bay Snorkeling Tour– Osiris
- Bite Me Charter – Aqua Ind 29F
- Bite Me Charter – Gulf Craft
- Black Dog Charters HHI
- Black Dune Charter
- Black Octopus Tours PR – Black Octopus
- Black Pearl
- Black Pearl - Perast
- Black Pearl 1
- Black Pearl Charter Co
- Black Pearl Charter LLC
- Black Pearl Montenegro
- Black Stream Outfitters
- Black Tip Charters – Rays, Snorkel & Starfish
- BlackHawk Tours
- BlackSwan Exclusive Yachting
- Blackbeard Scuba & Cruising
- Blackbeard Scuba & Water Tours
- Blackbeard Scuba & Water Tours
- Blackfin Sportfishing
- Blackfin Sports Fishing & Tours
- Blackhawk Boat Tours, LLC
- Bleasean Sea Escapes
- Blessed Day Charters
- Blind Squirrel Charters
- Bliss Adventures
- Bliss Charters Vilamoura – "BLISS"
- Bloo Boat Charter
- Bloodline Charters
- Blu Ocean Tours
- BluBel Watersports
- BluGate Dubrovnik Boat
- Blue Barracuda Charters
- Blue Bay Charters
- Blue Bird Charter
- Blue Bird Hurghada – Private Boat F.B.I
- Blue Bird Hurghada – Private Boat Sea Roz
- Blue Bird Tour
- Blue Bliss Charters
- Blue Cave Shuttle
- Blue Cave lifetime boat tour experience
- Blue Cave/5 island tour with luxury boat
- Blue Charters Yachting – Irida
- Blue Charters – ARGO ''The Golden Seafarer''
- Blue Charters – ΑΝΙΜΑ ''The Soul of Aegean''
- Blue Crest Charters
- Blue Diamond Charter
- Blue Diamond Latchi – Bow Rider 630
- Blue Diamond Latchi – Brig Navigator 570
- Blue Diamond Latchi – Capelli CAP 28
- Blue Dolphin Sailing Public Tours
- Blue Doubloon – Private Catamaran
- Blue Dream Boats Rental And Watersports
- Blue Dream Tours
- Blue Element Charters – Miko
- Blue Emotion – Abaris 23
- Blue Emotion – Key Largo 26
- Blue Experience Split
- Blue Fin IV Lighthouse Cruises and Eco Tours
- Blue Fly Adventures
- Blue H2O Cruisers – Sonya
- Blue H2O Cruisers, LLC – Abeona
- Blue Horizon Boat Rentals Malta
- Blue Horizon Charter
- Blue Horizon Charters
- Blue Horizon Private Boat Charter
- Blue Horizon Tours
- Blue Iris Private Lux Catamaran Riviera Maya
- Blue Island Adventure
- Blue Jean - Beneteau Oceanis
- Blue Lagoon and 3 Islands Speedboat Tour
- Blue Lagoon and Trogir half day boat tour
- Blue Lobster Charters
- Blue Magic Cat – Luxury 42ft
- Blue Magic Cat – Premium 42ft
- Blue Marine Charter Amalfi Coast
- Blue Marine Snorkeling Zingaro Reserve
- Blue Marlin Excursions – Hurricane
- Blue Marlin Excursions – Mako
- Blue Mermaid
- Blue Mile Dubrovnik – Atlantic Marine Open
- Blue Mile Dubrovnik – Jeanneau Leader 30
- Blue Motion private charters
- Blue Note Sail Charter
- Blue Ocean Adventure Tours
- Blue Ocean Tours