All Boating Charters
- Lozi Boat Trip
- Lozi Kayak Rental
- Lucina III
- Luck O The Irish Fishing Charters
- Lucky Angel Adventures
- Lucky Dog Sportfishing
- Lucky Lass Haleiwa Charters LLC
- Lucky Star
- Lucky Strike Charters
- Lucía Del Mar
- Lulu & Frankie
- Luminous Boat Tours
- Luna
- Luna Charters Marbella
- Luv Sailing
- Lux Suv Of The Seas – Fenwick & OCMD
- Lux Yacht Charter di A. Stagnaro
- Luxe Charter
- Luxuary Longtail Boat Island Hopping
- Luxury 40 ft Catamaran
- Luxury Sailing Catamaran from Paradise Island
- Luxury Tour on a Private Yacht in Los Cabos
- Lyla Rose Charters
- Lyons Charters Tours
- M&A Cruises
- M.E.I Paphos Boat Tours Ltd
- MARIOLO BOAT TOURS
- MCP – Speedboat Tour
- MI CONSUELO I
- MIRAGA, PELION BOATS
- ML AQUATICS – Boat Nika
- ML AQUATICS – Saver 540
- MM Charters
- MUTT Tours Speed Boat 5 East Island
- MUTT Tours – Dawn Catamaran
- MUTT Tours – Dolphin Trip
- MUTT Tours – East Catamaran
- Maas Fishing and Snorkel Tours
- MacDaddy Charters
- Maco Yacht – Dufour 410
- Maco Yacht – Lina 7
- Madeira Big Game Fishing - Our Mary
- Madeira Sunkiss Sailing
- Madoudou Sailing Yacht – Whale Watching
- Mae Boat Charters
- Magic Bowfishing
- Magic Private Boat Tour from Split
- Magnanimous Sportfishing
- Magnetic Island Fishing & Sightseeing Charter
- Maguro Fishing Charters
- Mainsqueeze Jamaica Boat Charters
- Majo V - Stamas 39'
- Makai Charters
- Make A Wake Charters
- Make it a Great Celebration! (RESTROOM)
- Making Memories Charters Key West
- Mako Boat Tours
- Malaya Ocean Adventures
- Maldives Boat Club
- Mali
- Mallorca Blue Sea
- Mallorca Boating
- Mallorca Llaut Experience – Olimar II
- Malmok Charters Private Boat Tours
- Malta Catamaran Charters - Playtime Catamaran
- Malta Catamaran Charters – Chiquita
- Malta Catamaran Charters – Cicciolina Mia
- Malta Catamaran Charters – Pupa Mia
- Malta Catamaran Charters – Shirina Mia
- Malta Catamaran Charters – Siesta Mia
- Malta Fun Charters
- Malta Gulet Charters
- Malta Isle Charters – Private Luxury Yacht
- Malta Rodos Tours
- Malta Sailing Experiences – Best Boat Tours
- Malta Speedboat Charter
- Malta Speedboat Charter – Julea M
- Malta To Comino Charters
- Mama Anoras Water Sports
- Mana Kayak
- Manatee Sightseeing And Wildlife Boat Tour
- Manatee, Dolphin and 10,000 Islands Tour
- Manatee, Dolphin, 10,000 Islands Sunset Tour
- Manatee, Dolphin, Bird Tours Near Orlando
- MandaLu Sportfishing
- Mangrove Explorers
- Mangrove Tour
- Manicsportfishing Charters
- Manta
- Manu Dreampoint Snorkeling
- Mar Brisa
- Mar Y Chela Boat
- Maragata Charters
- Marbella Boats Charter – Astondoa 40
- Marbella Boats Charter – Azimut 39
- Marbella Boats Charter – Rodman 1250 Sport
- Marco Island Boat Tours – Boat 1
- Marco Island Boat Tours – Boat 2
- Marco Island Boat Tours – Boat 3
- Marco Reel & Shore Charter