All Boating Charters
- DUBROVNIK SAIL AWAY
- DaFishHunterCharters
- Dailey Charters
- Daily Boat And Fishing Charters
- Daily cruises in Santa Maria di Leuca
- Daisy glass botoom boat
- Dan Nealy's Fishing Buddies
- Dancin' Dolphin Cruise Company – Booze Cruise
- Dancindoc
- Danger Charters
- David
- Davor Zambelli
- Day in the water
- Day on the Bay Charters
- Daytripper Marine Services
- Deboto Boats – Quicksilver 675
- Deboto Boats – Quicksilver 755 / Atlantic 750
- Deep Blue Charters
- Deep Color Excursions
- Deep Sea Fishing
- Deep Sea Scuba and Snorkeling
- Deep blue PG
- DejaVu – Sundancer 46'
- Delta Outfitters
- Destin Dream Yacht
- Destin Private Tiki Lil Kahuna to Crab Island
- Destin Private Yacht
- Detroit river tour
- Diamond Jig Charters LLC
- Diamond Sailing Service
- Diamond in the Rough Charters
- Discover Plavnik On A Pirate Ship
- Discover Tamarindo – Jungle Boat Tour
- Discovery Agri Tours
- Ditch Hag Sportfishing Charters
- Divergent Charters
- Divine Boats
- Dolce Vita Charters
- Dolphin & Donuts Cruise
- Dolphin Discoveries 1 – Hilton Head
- Dolphin Discoveries 2 – Hilton Head
- Dolphin Discoveries 3 – Hilton Head
- Dolphin Escape Charters
- Dolphin Landings Charter Boats – Phoenix
- Dolphin Landings Charter Boats –Island Hopper
- Dolphin Safari Charters – Vitamin Sea
- Dolphin Tours Cocoa Beach
- Dolphin Tours St Augustine
- Domestic Six Pack
- Dona Nina Fishing Tour
- Dorothy Charters
- Dorothy Marie Tours
- Double "DD" Adventures
- Double Ace Charters
- Double Decker Tritoon with Waterslide
- Double Hooker Charters
- Double Trouble Charters
- Downtime: A Vitamin Sea Tour
- Downtown Tampa Charters
- Dr. George Jones
- Dream Catcher Company
- Dream On Charters
- Dreamcatcher Xperience
- Dressel Divers International
- Dubrovnik Sea Tours
- Dubrovnik Sea View
- Dubrovnik Speedboat Tours
- Dubrovnik best offer speedboat private tours
- Dubrovnik by sea
- Duke Sportfishing
- Dupichini
- Dupin S.l. FBC
- E - Sea Mallorca Experience – Eco Catamaran
- E L watersports
- ENJOY CANCUN! – SunDancer 45'
- Eagle Ray
- Earning Stripes
- East Coast Charters – 42'
- East Coast Charters – 43'
- East Coast Charters – 60'
- East Coast Charters – 86'
- East Coast Charters – Pacific 72
- Easy Boat Tour – Kotor
- Easy Does It Charters
- Easy Fix Fun
- Easy Livin Charter
- Easy Livin Charters
- Eco Abrolhos Cruises
- Eco-Discovery Sandbar Adventures
- El Capricho 100 ft. - Mega Yacht
- El Diablo Charter
- El Peleador 1
- El Pilar
- Elaphiti Islands – Tailor-Made Boat Tours
- Elimar Tours
- Elysian Charters
- Emerald "C" Fishing Charters
- Encore Water Ways Inc.
- Encore Yacht
- Endless Summer Charters