All Fishing Charters
- Ice Fish the St. Croix River
- Ice Fishing Out of the Blue
- Icebreaker Charters LLC
- Iced Down Charters
- Idra Sportfishing Inshore Specialist
- Igor Motorin
- Immersed Outdoors LLC
- Impact Fishing Charters
- Imperial Sportfishing
- Imperium Pr
- Impulse Sport Fishing Charters
- Impulse Sport Fishing – Special-Eyes Charters
- Impulsive Charters
- Imua Fishing Charters - A/C Cabin
- In & Out Charters
- In 2 Deep Charters Belize – 30’ Custom Panga
- In 2 Deep Charters Belize – 37’ Intrepid
- In 2 Deep Offshore Charters
- In Debt Charters
- In Season Fishing
- In The Box Fishing Charters
- In The Net Sportfishing Cape Cod
- In The Slot Fishing
- In The Zone Fishing Charters
- In Too Deep Charters
- In Too Deep Charters – 21’
- In Útil - Fishing charter
- In-2-Deep Sportfishing
- InTheCut Charters
- Indian Head Charters
- Indigenous Adventures Guide Service
- Indigenous Charters
- Indo Outer Island Fishing Charters
- 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 Charters
- Inshore Family Fishing
- Inshore Fishing Charters
- Inshore Fishing Hilton Head
- Inshore Odyssey Inshore Fishing
- Inshore Outdoors Fishing
- Inshore Saltwater Fishing New Smyrna Beach
- Inshore/Nearshore Fishing in Venice
- 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
- Ionian Fishing
- 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