All Boating Charters
- Katfish Kayak And Fishing Charters
- Katina d.o.o
- Kavelas Tours
- Kayak Club Tamarindo
- Kayak Green Vision
- Kayak Tour & Salsa Experience: Condado Lagoon
- Kaštela Nautic – Exclusive Sailing Experience
- Ke Pasa Charter Tour
- Keel N Time Charters
- Keep It Reel Private Charters
- Keepin It Reel Charters
- Kestrel Warrior – Boat Tours
- Key Largo Captain Steve
- Key Largo Tiki Tours
- Key West Boating Connection
- KeyZ Charters
- Keys Aquatic Adventures
- Keys Boat Tours
- Keys Time Charters, Inc.
- Kilo Whiskey Charters
- Kimbara Travel – Marcela Teresa
- Kimbara Travel – Private Yacht Experience
- Kisite Discovery Safaris
- Kite Hatteras
- Klobuk Travel – 40' Leader
- Klobuk Travel – 42' Antares
- Knee Deep Charters
- Knot Tied Down Charters
- Knot Tuggin Sportfishing
- Knotical Adventures Two LLC
- Komodo Boat Charter
- Konadice sportfishing
- Kool Kat Watersports
- Korcula Charter - Boat tour
- Kotor Bay Private Tours – Drinks on Board
- Kotor Vip Boat Tours – Blue Cave
- Kotor Vip Boat Tours – Blue Cave 2
- Kotor Vip Boat Tours – Blue Cave 3
- Kotor: Blue Cave,Submarine Tunnel, Lady Rock
- Krazy Fins
- Kronos 85ft Private Yacht
- Ksamil Water Sport
- Ksamili Boat Tours
- LBISportfishing
- LEAHKLEA Charters
- LFG Fishing Charters
- LULIMAR Charter
- LUXURY 3-Story Yacht & Jet Ski – Free Hour
- La Bandida Fishing
- La Boca Sailing Expeditions
- La Caletta – Minicruise Gulf of Orosei
- La Diosa Del Mar, Costa Maya
- La Isla Tour - ALORA VIP
- La Isla Tour – BARTA
- La Isla Tour – MANTA LUX
- La Ketch Company
- La Menta Boattrips
- La Patrona Sportfisher 36'
- La Pola - Costa Rica
- La Rana Cancun Sunset Tours
- La Vie Est Belle
- LaLa Boat Charter
- Lady May Charters
- Lady Virginia Boat Trip
- Ladyboss Fishing Charter
- Lagoon Pontoons of Lake Wales
- Lagoon Pontoons of Saint Pete Beach
- Lagoon Pontoons of Saint Pete Beach
- Lagoon Pontoons of Saint Pete Beach
- Lagoon Pontoons of Saint Pete Beach
- Lagoon Pontoons of Saint Pete Beach – BayBoat
- Lagoona 56ft Yacht
- Lagos Boat Charter - Ariel
- Lagos Boat Charter - Snow white
- Lagos Boat Charter – Pocahontas
- Laid Back Key West
- Lake Affect Fishing Charters & Tours
- Lake Como Boats
- Lake Hartwell Fishing Boat Rental
- Lake Martin Excursions
- Lake Murray Boat Tours - Comfort Cruise
- Lake Murray Boat Tours - Private Pontoon
- Lake Nasser
- Lake Tarpon Tours
- Lake Wylie Charter
- Lakeland Nasser Boat Safari
- Last Bite Charters
- Last Call Charters
- Last Cast Charleston
- Last Cast Charters
- Last Cast Charters
- Latchi Pleasure Boats – Charter Boat "1"
- Latchi Pleasure Boats – Hire Boat "3"
- Latchi Pleasure Boats – Hire Boat "5"
- Latchi Pleasure Boats – Hire Boat "6"
- Latchi Pleasure Boats – Hire Boat "8"
- Latitude 29 Cruises
- Laurianna Charters
- Lavenier –Your Gateway to Maldivian Adventure
- Le Havanah Boat