All Fishing Charters
- In Too Deep Charters – 21’
- In-2-Deep Sportfishing
- InTheCut Charters
- Indian Head Charters
- Indian Head Charters
- Indigenous Adventures Guide Service
- Indigenous Charters
- Indo Outer Island Fishing Charters
- Infantry Angler Charters, Jupiter
- Infinite Blue – 30’WellCraft, Veteran Owned
- Infinite Blue – 31' Angler, Veteran Owned
- Infinite Blue – 50’ SeaRay, Veteran Owned
- Infinity Charter
- Infinity Charter – 23’
- Infinity Charter – 31’
- Infinity Charters LLC
- Infinity Private Charters – 33'
- Inkunzi Fishing Charters
- Inland Fishing Charters
- Inland Fishing Charters - JBs
- Inland Outdoors
- Inlanders Guide Service
- Inman Outdoors Guide Service
- Inman Outdoors Guide Service
- Inn Keeper Charter Fishing
- Insane Fishing MAHI MAHI (DORADO)
- Inshore Addiction Charters
- Inshore Addictz Charters
- Inshore Bite Charters
- Inshore Charters
- Inshore Family Fishing
- Inshore Fishing Charters
- Inshore Fishing Flagler Beach
- Inshore Fishing Hilton Head
- Inshore Odyssey Inshore Fishing
- Inshore Outdoors Fishing
- Inshore Saltwater Fishing New Smyrna Beach
- Inshore/Nearshore Fishing in Venice
- Inspired Fishing Charters
- Instigator Sportfishing
- Intentional Fishing Charters
- Interior Fly Fishing Co.
- Into The Depths Sportfishing – 24'
- Into The Gulf Excursions
- Into The Wild
- Inverness Florida Fishing Charters
- Inverted Fishing Charters Offshore
- Inútil Big Game – 2025 Tuna Winner
- Ionian Fishing
- Iowa Angler Guide Service
- Irish Charters
- Irish Eyes Sportfishing Charters
- Irish Raider Outfitters
- Irish Wake Fishing
- Iron Tuna Charters
- Ironclad Sportfishing
- Ironfish
- Iruva Fishing Maldives
- Is That Right Sport Fishing
- Is That Right Sport Fishing
- Isaacs Guiding Service
- Isla Culebra Del Pacifico
- Isla Girl – Sport Fishing
- Isla Oeste Charters
- Islamorada Backcountry & Offshore
- Islamorada Fishing Charters – Florida Keys
- Islamorada Spearfishing Adventures
- Island Angler Charters – Island Angler I
- Island Angler Charters – Island Angler II
- Island Blue Boat Charters
- Island Boat Tours & Adventures
- Island Boats Rentals
- Island Boys Outdoor Adventures
- Island Catch Charters
- Island Charters MI
- Island Charters MI LLC
- Island Dog – Bigg Deal
- Island Fishing Charters
- Island Fishing Charters
- Island Fishing Malta
- Island Girl Charters
- Island Girl Charters
- Island Girl Charters LLC
- Island Girl Charters Pet Friendly
- Island Girl Sports Fishing
- Island Head Fishing Charter
- Island Hooker Charters
- Island Life Charters
- Island Life Fishing
- Island Lure Charters
- Island Marine & Charter Fishing – Solomons
- Island Movements Fishing Charters
- Island Oasis Charters
- Island Oasis Charters LLC
- Island Pursuit Sport Fishing - 29'
- Island Reef Tours
- Island Rhythm Charter
- Island Saltwater Adventure
- Island Service Rental
- Island Style Boat Excursions – 31'