| Iaconelli, William B. | 138443 | Voyager | 22 | MS4690UU | B1 |
| Iacono, George L. | 151279 | Double G | 29 | 1171216 | B1 |
| Iacono, Wayne | 4102 | Freedom | 35 | 637850 | CL |
| Iacono Jr., Wayne V. | 147095 | Freedom | 35 | 637850 | SL |
| Iacono Jr., Wayne V. | 153172 | | | | RR |
| Iakovou, Iako Vos V. | 153214 | On The Run | 31 | 1187621 | B1 |
| Ilirio, Costa M. | 150478 | Cobia | 19 | MS3776BT | B1 |
| Inacio, Michael J. | 1910 | Leanna-Dee | 36 | MS4380AH | CL |
| Incutto, Donald J. | 141596 | No Vessel (Shore Based) - - - - | 0 | | RR |
| Incutto, Francis T. | 138956 | Hey Coach | 23 | MS8689W | B1 |
| Incutto, Michael J. | 153456 | Straight Out | 22 | MS7523MM | B1 |
| Independence Scallop Co Llc | 147949 | Amber Nicole | 83 | 618355 | B2 |
| Indyck, Stanley J. | 91912 | Carol L | 26 | | B1 |
| Indyck Iii, Stanley J. | 101974 | No Name (Indyck) | 14 | MS8205KR | B1 |
| Ingalls, John P. | 138692 | No Vessel (Shore Based) - - - - | 0 | | RR |
| Ingham, Bruce W. | 139214 | Ocean Rancher | 44 | 595889 | B1 |
| Ingham, Bruce W. | 133574 | And Mac | 65 | 555196 | OL |
| Ingham, Bruce W. | 69166 | Nancy Christine Ii | 65 | 656088 | OL |
| Ingle, Harry C. | 151720 | Ol Yella | 20 | MS5115HC | B1 |
| Ingraham, Elias A. | 149807 | | | | SR |
| Ingrande, Leonard J. | 62371 | Kathy Ann | 80 | 590065 | B2 |
| Ingrande, Leonard J. | 143687 | Diane Marie | 99 | | B2 |
| Inman, Alane | 152849 | | | | SS |
| Inn Business, Inc | 109253 | Hob Knob Inn | 27 | MS7176KN | B1 |
| Inzalaco Jr., Frank | 145245 | No Vessel (Shore Based) - - - - | 0 | | RR |
| Iodice, Robert | 151038 | | | | RR |
| Iovanna, David J. | 145590 | Tip-N-Ring | 25 | MS8589AG | B1 |
| Irish, Donald P. | 10382 | Avocet | 30 | 652039 | CL |
| Irish Venture, Inc. | 56767 | Westward | 136 | 690723 | B3 |
| Irish Venture, Inc. | 120027 | Osprey | 108 | 683328 | OL |
| Irish Venture, Inc. | 152361 | Western Venture | 146 | 1194562 | B3 |
| Irvine, Heather M. | 153739 | Lulu | 22 | MS0088MJ | SL |
| Irving, Robert G. | 2999 | Pristine | 26 | MS0033 | CL |
| Irving, Patricia | 153066 | | | | SS |
| Irwin, Scott C. | 2677 | Retriever | 34 | 1069572 | CL |
| Irwin, Patrick S. | 150225 | No Name (Irwin) | 19 | MS2559PI | B1 |
| Irwin, Thomas J. | 141469 | Ellormar | 32 | 526953 | CL |
| Isherwood, James W. | 113455 | No Vessel (Shore Based) - - - - | 0 | | RR |
| Iskra, David P. | 153354 | | 17 | CT2074BA | B1 |
| Island Queen Fishing Corp | 138446 | Fair Wind Ii | 42 | MS0044BC | OL |
| Island Queen Fishing Corp | 154430 | Fair Wind | 36 | MS0036BC | B1 |
| Island Queen Fishing Corp | 148002 | Fair Wind Iii | 39 | 291003 | B1 |
| Italian Princess Inc | 152416 | Italian Princess | 83 | 937287 | ON |
| Ives, Benjamin P. | 918 | Lady Lisa S | 37 | MS3616KM | CL |
| Ivonilde Fishing Corp | 91883 | Acores | 89 | 961198 | ON |
| Iwic, Peter J. | 4139 | Dawn Breaker | 28 | MS1196KP | CL |
| Izzicupo, Anthony W. | 151324 | Stephy J | 20 | MS5813AL | B1 |