All Fishing Charters
- Mahi Mahi ll: Reef Fishing
- Mahi Mania Fishing Charters
- Mahi Sportfishing Puglia
- Mahone & Sabino Lakes Bass Fishing – Mauricio
- Mahuey Boat Charter Maldives – 24'
- Mahuey Boat Charters Maldives -33ft
- MainSqueeze Fishing Charters
- Maine Fly Guide
- Maine Offshore Adventures
- Maine Wilderness Fishing
- Maine Wilderness Fishing Bar Harbor
- Mainely Blue Charters
- Mainlanders Sport Fishing
- Mainline Fishing Charters
- Mainstream Fishing Charters – 20'
- Mainstream Fishing Charters – 26'
- Mainstream Guides - Newaygo
- Mainstream Guides - Wellston
- Majestic Michigan Charters
- Majestic Michigan Charters – Brethren
- Majestic Michigan Charters – Croton
- Majo Fishing Lodge – Bally Hoo I
- Majo Fishing Lodge – Majo V
- Major Look Fishing Charters
- Major Tom Adventures
- Makai Charters
- Makai Sportfishing
- Makaira Cozumel Fishing Charters
- Makaira Fish Company – 24' Yellowfin
- Makaira Fish Company – 33' Sea Hunter
- Makaira Luxury Charters
- Makaira Resort – Sea Dancer Charter
- Makaira Sportfishing
- Makarounas Fishing Trips Rhodes
- Make A Wake – Captiva Island
- Make A Wake – Matlacha
- Make A Wake – Sanibel Island
- Makin Big Bass Memories
- Makin Plans Charters
- Makin' Memories Fishing Charter
- Makin' Waves Fishing Charters
- Makin' Waves Fishing Charters – 28'
- Makina Sportfishing
- Mako 2 Charters
- Mako Sportfishing And Tours – Mako III
- Mako Tours Bonaire
- Malama Charters Hilo LLC
- Maldives Liveaboard – 100' Yacht
- Maldives Liveaboard – 112'
- Maldives Liveaboard: Honors Legacy
- Maldives Liveaboard–Motor Yacht 108
- Mali Šjor – Primošten
- Malihini Sportfishing Charters
- Mallard Charters Fishing and Cruises
- Mallard Sportfishing
- Mallorca Llaut Experience
- Malolo Fisher - Fishing Machine
- Malolo Fisher Sports - Xtreme
- Malolo Fisher Sports – Koi Calevu
- Malolo Fisher Sports – Mamanuca Flying Fish
- Malolo Fisher Sports – Zikr
- Maloney's Fishing Guide Service
- Mama Tried Fishing
- Mamasita Fishing Charter
- Man Overboard Charters
- Man's Fat Boy Charters
- Manco Yacht Charters – 85' Bu Mubarak
- MandaLu
- Mandrake Fishing Charters
- Mangrove Explorers
- Mangrove Fishing Tours
- Mangrove Madness
- Mangroveman Charters
- Mangroveman Charters – Sunset Fish
- Mangus 2 Charters
- Manhardt Charters Lake Michigan
- Manic Sportfishing 36ft Triple Motor
- Manic Tritoon 2 WATERSLIDE
- ManicSportfishing CC Bathroom
- Manicsportfishing 31 foot Cabin and Bathroom
- Manistee River Fishing Company
- Manistee River Fishing Company
- Manistee River Lodge – Big Manistee
- Manny Tours
- Manolos Guide Service
- Manta Adventures – Maheli Heli
- Manta Inn Partners
- Mantarraya I Fishing Charters
- Manu Dreampoint
- Manu Dreampoint – Mack Tuna Trip
- Manu Fishing Charter – Professional On Tour
- Manzanillo Luckiest Fishing
- Mar Balear Fishing Adventures
- Mar Cabo Fishing
- Mar Vida Adventure
- Mar y chela
- Mar-Lu Sport Fishing Charters
- Maragata Charters Sportfishing
- Maranatha Fishing And Snorkeling
- Maranatha Sport Fishing