All Boating Charters
- Island Hopping Cruise
- Island Hopping Excursion – Topsail
- Island Hopping Split
- Island Life Charters – Malta/Comino/Gozo
- Island Lure Charters
- Island Movements
- Island Oasis Charters
- Island Ryder Charters
- Island Seaduction Watersports and Tours
- Island Time Bahamas 4 hr
- Island Time Charters of Miami
- Island Time Family Eco Tour/Fishing Charters
- Island Time Private Boat Charters
- Island Tours Connections
- Island Vibez Watersports
- Island girl Cozumel - el cielo snorkel
- Islander Charter – Private Sailing Yacht
- Islands Escape Malta Charters
- Isle Of Palms Charters
- Izuna Tour S. l.
- I’m Hooked Fishing Charters
- J Hook Charters
- J J Pelican
- J Katt Boat Tours
- JC Fishin Charters
- JD Marine LLC
- JP's Shelling & Eco Tours
- JPGP Fishing Boats
- JS Expedition
- JW Charters
- Ja Nedam Boat Experience
- Jacob Frye’s Guide Service
- Jager Knights Tours
- Jager Sailing
- Jakes Saltwater Adventures
- Jankura Coast to Coast (By Sicily Watersport)
- Janneau Sun Odyssey 519 for Capri Positano Am
- Jaque Mate
- Javichos Tours – 31' Cabo
- Javichos Tours – 33' Xiphias Dusky
- Javichos Tours – 35' Wellcraft
- Javichos Tours – 42' Hatteras
- Javichos Tours – 50' Hatteras
- Jawjackers Charters
- Jax Boat Rides
- Jayson Tours
- Jazive Sportfishing
- Jeanneau Boat Tours
- Jeffreys Bay SCUBA Diving
- Jeliray Charter & Tours
- Jellyfish Charters
- Jeronimo Zante Cruises
- Jesse James Charters
- Jessie James Charters
- Jet Skis (By Sicily Watersports)
- JetService Ibiza – Alchemist
- JetService Ibiza – Apple
- JetService Ibiza – Aspen
- JetService Ibiza – FINI III
- JetService Ibiza – Get Shorty
- JetService Ibiza – La Gata
- JetService Ibiza – Perla
- JetService Ibiza – The New Smile
- JetService Ibiza – Vicky
- JetService Ibiza – Vicky II
- Jig is Up Charters
- Jimmy Rig Charters
- Joey Flats Everglades Eco Tours
- Johnny Quest Party Boat
- Jordan Sportfishing
- Joselin Company – Little Jade
- Joyce K Fishing Charters
- Joyride Charters
- Julian Boat Tours
- Just Add Water Charters LLC
- Just B Cause Charters Inc
- Just Ducky Charters
- Just Livin The Dream Charters 1 Dolphin Trip
- Just Reel
- Just Right Florida Charters
- Just a toy charter
- K&O
- KAÇAMAKYACHTİNG
- KOKA Charters
- KONSTANTINOS, PELION BOATS
- Kamarina 505 (By Sicily Watersports)
- Kanpai Charter Malta
- Karen Ann Charters
- Karibe Sailing & Snorkeling Tours
- Karma Boat Cruises – Full Day Coastal Escape
- Karma Boat Cruises – Private Yacht in Lagos
- Karma Charters
- Katerina Sailing
- Katfish Kayak And Fishing Charters
- Katina d.o.o
- Kavelas Tours
- Kayak Club Tamarindo
- Kayak Green Vision
- Kayak Tour & Salsa Experience: Condado Beach
- Kaštela Nautic – Exclusive Sailing Experience