All Boating Charters
- Hilton Head Island Dolphin Tour
- Hilton Head Sunseeker
- Himara Watertaxi
- Himara – Lido Boat Tours
- Himara: Boat Tour, Swim Stops & Snorkeling
- Hinatea
- Hispania Mare – Sun Odyssey 509
- History Maker Ltd
- Hobby Lobby Tours
- Holidays In Malta – Highfield Patrol 5.4
- Holidays In Malta – The Amazing Mowgli
- Holloway Yacht Charters – Propensity
- Holokai Catamaran
- Holy City Anglers
- Holy Doodle Sailing Charters
- Holy Mackerel Charters
- Homer Fishing Addiction
- Honest Eco – COWFiSH
- Honest Eco – SQUID
- Honest Eco – Sailing Catamaran Blu Q
- Honolulu Snorkel Company – The Lola
- Honolulu Snorkel Company – The Nautilus
- Honor Roll Charters
- Honors Legacy Yacht – Custom Made Motor Yacht
- Hook Um Fishing Charters
- Hook and Cook Services LLC
- Hook and Leader Charters
- Hooked Again Charters
- Hooked Malta
- Hooked4life Boat Tours
- Hooker Charters & Guide Service
- Hookline Fishing Charters
- Hookz Sportfishing
- Hope Floats Adventures & Charters
- Horizon Cat Cruises
- Horizon Fishing Expeditions
- Horrocks Outfitting – Lake Placid Boat Tours
- Horseburg Fishing
- Hot Pursuit Charter Fishing LLC
- Hot Wheels Island Tours LTD – Jet Ski Tours
- Hotshot Watersports
- Houseboat Holidays Italia – Dracan Venezia
- Hundred Boat Rental
- Hurghada Blue Horizon
- Hurghada Green Boat
- Hurghada Splash Boat
- Hurricane Charters
- Hussain Alfardan – Tour in History
- Huvadhoo Pro
- Hvar Sea Tours
- Hype Adventure PR
- I Love Comino Boat Charters
- I Love Malta Charters – Comino & Blue Lagoon
- I Malta Boat Trips – Blue Lagoon
- I Malta Boat Trips – Blue Lagoon, Comino&Gozo
- I Malta Jet Ski Tour – No License Needed
- IBIZA on private boat Sail Experience 8h
- ICW Tours LLC
- IDA Sailing Tour 5 Terre
- Ianira Sailing Cruises to Dia Island
- Ibiza Blue Charter – Quercus
- Idra Inshore Specialist
- Ikarus Watersport
- Imagine – Your Event, Your 70’ Motor Yacht
- Impact Divers – Dive the Cape Peninsula
- Impetus Tours
- In 2 Deep Charters - Main Squeeze
- In 2 Deep Charters - ShelbyDee
- In The Cut Charters
- In The Net Sportfishing
- Inception Boats
- Independence – Private Sailing Yacht Samui
- Indigo Charter
- Indigo Charter Gobbi
- Indigo Sea Adventures - Indigozzo
- Indigo Sea Adventures - Yemanja
- Indigo Sea Adventures – Indigo II
- Infinite Blue Charters
- Infinite Blue Charters
- Infinity Charter
- Infinity Charters
- Infinity Ocean Catamarans – Trinity
- Into The Blue – Boatastic Yachts
- Intrepid Boat, Puerto Peñasco – Sunset Cruise
- Invictus Sicily
- Ionian Dream Charter – Jeanneau SunOdyssey 49
- Ionian Dream Charter – Monterey 295
- Ios Breeze All About Boats – Mostro Top Hun
- Ios Breeze All About Boats – Saxdor 320 GTO
- Ios Breeze All About Boats – Zigouala
- Irinikos Sailing Cruises – Sailing
- Is That Right Sport Fishing
- Isla Mujeres (Fishing, Swimming & Ceviche)
- Isla Oeste Charters
- Isla Sailing – Hanse 445
- Islamarcharter – Cap Camarat 6.5
- Islamarcharter – Jeanneau Cap Camarat 5.5 WA
- Islamarcharter – Jeanneau Cap Camarat 7.5
- Islamarcharter – Jeanneau DB 37
- Islamarcharter – Lomac 850 GT