# List of islands of New Hampshire

| Island | County | Water body | Elevation (feet) | Elevation (metres) |
| Badger Island | Carroll | Lake Winnipesaukee | 505 | 154 |
| Barndoor Island | Belknap | Lake Winnipesaukee | 515 | 157 |
| Bass Island | Carroll | Lake Wentworth | 535 | 163 |
| Bear Island | Merrimack | Suncook River | 344 | 105 |
| Bear Island | Coos | Umbagog Lake | 1,243 | 379 |
| Bear Island | Belknap | Lake Winnipesaukee | 525 | 160 |
| Beaver Island | Belknap | Lake Winnipesaukee | 545 | 166 |
| Beckmans Island | Rockingham | Seabrook salt marsh | 7 | 2 |
| Beech Island | Strafford | Bow Lake | 518 | 158 |
| Belle Island | Grafton | Newfound Lake | 587 | 179 |
| Bennett Island | Strafford | Bow Lake | 515 | 157 |
| Big Island | Carroll | Lovell Lake | 581 | 177 |
| Big Island | Belknap | Paugus Bay | 502 | 153 |
| Big Island | Coos | Umbagog Lake | 1,299 | 396 |
| Big Island | Rockingham | Pawtuckaway Lake | 367 | 112 |
| Big Island | Carroll | Silver Lake | 466 | 142 |
| Bimba Island | Carroll | Silver Lake | 466 | 142 |
| Birch Hill Island | Carroll | Lake Winnipesaukee | 512 | 156 |
| Birch Island | Rockingham | Massabesic Lake | 259 | 79 |
| Birch Island | Carroll | Lake Winnipesaukee | 518 | 158 |
| Birch Island | Grafton | Squam Lake | 561 | 171 |
| Black Cat Island | Carroll | Lake Winnipesaukee | 538 | 164 |
| Black Island | Carroll | Lake Winnipesaukee | 512 | 156 |
| Blake Island | Coos | Umbagog Lake | 1,243 | 379 |
| Blueberry Island | Carroll | Lake Winnipesaukee | 505 | 154 |
| Blunts Island | Rockingham | Little Harbor | 13 | 4 |
| Bowman Island | Grafton | Squam Lake | 597 | 182 |
| Bradleys Island (former) | Merrimack | Merrimack River | 230 | 70 |
| Breezy Island | Belknap | Lake Winnipesaukee | 502 | 153 |
| Browns Island | Rockingham | Massabesic Lake | 299 | 91 |
| Brummet Island | Carroll | Lake Wentworth | 535 | 163 |
| Buck Island | Coos | Androscoggin River | 774 | 236 |
| Burkehaven Island | Sullivan | Lake Sunapee | 1,099 | 335 |
| Burnaps Island | Sullivan | Connecticut River | 315 | 96 |
| Calef Island | Strafford | Swains Lake | 279 | 85 |
| Camp Island | Belknap | Lake Winnipesaukee | 509 | 155 |
| Carthagina Island | Hillsborough | Merrimack River | 131 | 40 |
| Cate Island | Carroll | Lake Wentworth | 535 | 163 |
| Catsbane Island | Cheshire | Connecticut River | 217 | 66 |
| Chapman Island | Belknap | Lake Waukewan | 551 | 168 |
| Chase Island | Rockingham | Island Pond | 210 | 64 |
| Chase Island | Sullivan | Connecticut River | 315 | 96 |
| Chases Island | Carroll | Lake Winnipesaukee | 525 | 160 |
| Chip Island | Carroll | Lake Winnipesaukee | 502 | 153 |
| Chocorua Island | Grafton | Squam Lake | 561 | 171 |
| Church Island | Carroll | Lake Winnipesaukee | 505 | 154 |
| Clampit Island | Rockingham | Little Harbor | 0 | 0 |
| Clark Island | Hillsborough | Baboosic Lake | 246 | 75 |
| Commons Island | Rockingham | Hampton Harbor | 0 | 0 |
| Cove Island | Carroll | Lake Winnipesaukee | 502 | 153 |
| Cow Island | Carroll | Lake Winnipesaukee | 617 | 188 |
| Cut Island | Belknap | Lake Winnipesaukee | 505 | 154 |
| Devens Island | Carroll | Lake Winnipesaukee | 509 | 155 |
| Diamond Island | Belknap | Lake Winnipesaukee | 584 | 178 |
| Doles Island | Rockingham | Blackwater River | 3 | 1 |
| Dollar Island | Belknap | Lake Winnipesaukee | 502 | 153 |
| Dolly Island | Belknap | Lake Winnipesaukee | 502 | 153 |
| Dow Island | Carroll | Lake Winnipesaukee | 522 | 159 |
| Duds Island | Belknap | Lake Winnipesaukee | 502 | 153 |
| Dunshee Island | Cheshire | Connecticut River | 236 | 72 |
| Eagle Island | Belknap | Lake Winnipesaukee | 505 | 154 |
| Echo Island | Carroll | Lake Winnipesaukee | 502 | 153 |
| Emerald Island | Sullivan | Lake Sunapee | 1,096 | 334 |
| Escumbuit Island | Rockingham | Island Pond | 210 | 64 |
| Evans Island | Coos | Androscoggin River | 682 | 208 |
| Evergreen Island | Carroll | Lake Winnipesaukee | 509 | 155 |
| Farm Island | Carroll | Lake Winnipesaukee | 525 | 160 |
| Fish Island | Belknap | Lake Winnipesaukee | 502 | 153 |
| Fivemile Island | Carroll | Lake Winnipesaukee | 531 | 162 |
| Fletcher Island | Hillsborough | Massabesic Lake | 253 | 77 |
| Flo Island | Carroll | Lake Wentworth | 535 | 163 |
| Footman Islands | Strafford | Great Bay | 0 | 0 |
| Forty Islands | Belknap | Lake Winnipesaukee | 502 | 153 |
| Four Tree Island | Rockingham | Piscataqua River | 7 | 2 |
| Gansy Island | Carroll | Lake Winnipesaukee | 509 | 155 |
| Gate Island | Carroll | Lake Winnipesaukee | 502 | 153 |
| Gerrish Isle | Grafton | Mascoma River | 466 | 142 |
| Gleason Island | Grafton | Connecticut River | 459 | 140 |
| Glidden Island | Sullivan | Connecticut River | 282 | 86 |
| Glines Island | Carroll | Lake Winnipesaukee | 518 | 158 |
| Goat Island | Rockingham | Piscataqua River | 0 | 0 |
| Goat Island | Rockingham | Little Bay | 0 | 0 |
| Goodwin Island | Carroll | Lake Winnipesaukee | 512 | 156 |
| Goose Island | Rockingham | Sagamore Creek | 0 | 0 |
| Governors Island | Belknap | Lake Winnipesaukee | 646 | 197 |
| Governors Island | Rockingham | Island Pond | 239 | 73 |
| Grape Islands | Rockingham | Massabesic Lake | 253 | 77 |
| Great Island | Grafton | Squam Lake | 650 | 198 |
| Great Island | Merrimack | Lake Sunapee | 1,119 | 341 |
| Groton Island | Grafton | Squam Lake | 561 | 171 |
| Guay Island | Carroll | Lake Winnipesaukee | 502 | 153 |
| Gun Island | Carroll | Lake Winnipesaukee | 522 | 159 |
| Gun Island | Carroll | Lake Winnipesaukee | 502 | 153 |
| Halfmile Island | Belknap | Lake Winnipesaukee | 515 | 157 |
| Harbor Island | Carroll | Lake Winnipesaukee | 502 | 153 |
| Harmony Island | Carroll | Lake Winnipesaukee | 512 | 156 |
| Hart Island | Sullivan | Connecticut River | 325 | 99 |
| Hawks Nest Island | Belknap | Lake Winnipesaukee | 505 | 154 |
| Hen Island | Rockingham | Little Bay | 0 | 0 |
| Hen Island | Belknap | Lake Winnipesaukee | 502 | 153 |
| Hermit Island | Carroll | Lake Winnipesaukee | 505 | 154 |
| Hinman Island | Coos | Connecticut River | 869 | 265 |
| Hoag Island | Carroll | Squam Lake | 600 | 183 |
| Hog Island | Belknap | Winnisquam Lake | 482 | 147 |
| Horse Island | Belknap | Lake Winnipesaukee | 502 | 153 |
| Horse Island | Rockingham | Pawtuckaway Lake | 259 | 79 |
| Horseshoe Island | Merrimack | Horseshoe Pond | 230 | 70 |
| Howard Island | Grafton | Connecticut River | 423 | 129 |
| Hubbard Island | Sullivan | Connecticut River | 322 | 98 |
| Hull Island | Carroll | Lake Winnipesaukee | 522 | 159 |
| Hunts Island | Rockingham | Seabrook salt marsh | 10 | 3 |
| Inner Sunk Rocks | Rockingham | Atlantic Ocean | 0 | 0 |
| Isles of Shoals | Rockingham | Atlantic Ocean | 46 | 14 |
| Jarvis Island | Sullivan | Connecticut River | 305 | 93 |
| Jockey Cap Island | Carroll | Lake Wentworth | 535 | 163 |
| Joe Island | Carroll | Lake Wentworth | 535 | 163 |
| Joes Island | Carroll | Lake Winnipesaukee | 522 | 159 |
| Johnston Island | Grafton | Connecticut River | 325 | 99 |
| Jolly Island | Belknap | Lake Winnipesaukee | 541 | 165 |
| Keel Island | Carroll | Lake Winnipesaukee | 502 | 153 |
| Keniston Island | Carroll | Lake Winnipesaukee | 522 | 159 |
| Kent Island | Carroll | Squam Lake | 587 | 179 |
| Kimball Island | Belknap | Squam Lake | 584 | 178 |
| Knowles Island | Rockingham | Hampton Harbor | 0 | 0 |
| Lady Isle | Rockingham | Little Harbor | 23 | 7 |
| Laurel Island | Grafton | Squam Lake | 561 | 171 |
| Leachs Island | Rockingham | Little Harbor | 23 | 7 |
| Ledge Island | Sullivan | Connecticut River | 312 | 95 |
| Ledge Island | Carroll | Lake Winnipesaukee | 502 | 153 |
| Lincoln Island | Carroll | Lake Winnipesaukee | 505 | 154 |
| Little Barndoor Island | Belknap | Lake Winnipesaukee | 509 | 155 |
| Little Bear Island | Carroll | Lake Winnipesaukee | 640 | 195 |
| Little Birch Island | Carroll | Lake Winnipesaukee | 505 | 154 |
| Little Camp Island | Belknap | Lake Winnipesaukee | 509 | 155 |
| Little Island | Rockingham | Piscataqua River | 0 | 0 |
| Little Island | Belknap | Paugus Bay | 502 | 153 |
| Little Island | Sullivan | Lake Sunapee | 1,102 | 336 |
| Little Keniston Island | Carroll | Lake Winnipesaukee | 502 | 153 |
| Little Loon Island | Carroll | Squam Lake | 561 | 171 |
| Little Sixmile Island | Belknap | Lake Winnipesaukee | 502 | 153 |
| Littlemark Island | Belknap | Lake Winnipesaukee | 502 | 153 |
| Locks Island | Belknap | Lake Winnipesaukee | 548 | 167 |
| Log Cabin Island | Rockingham | Pawtuckaway Lake | 259 | 79 |
| Long Island | Belknap | Squam Lake | 561 | 171 |
| Long Island | Carroll | Lake Winnipesaukee | 669 | 204 |
| Long Pine Island | Carroll | Lake Winnipesaukee | 502 | 153 |
| Loon Island | Carroll | Lake Wentworth | 535 | 163 |
| Loon Island | Strafford | Bow Lake | 518 | 158 |
| Loon Island | Rockingham | Island Pond | 203 | 62 |
| Loon Island | Rockingham | Massabesic Lake | 256 | 78 |
| Loon Island | Sullivan | Lake Sunapee | 1,093 | 333 |
| Loon Island | Belknap | Winnisquam Lake | 482 | 147 |
| Loon Island | Grafton | Newfound Lake | 587 | 179 |
| Loon Island | Carroll | Silver Lake | 466 | 142 |
| Loon Island | Belknap | Lake Winnipesaukee | 502 | 153 |
| Loon Island | Carroll | Lake Winnipesaukee | 502 | 153 |
| Loon Island | Carroll | Squam Lake | 561 | 171 |
| Lunging Island | Rockingham | Atlantic Ocean | 3 | 1 |
| Majors Rock | Rockingham | Seabrook salt marsh | 7 | 2 |
| Mark Island | Belknap | Lake Winnipesaukee | 623 | 190 |
| Mason Island | Coos | Connecticut River | 866 | 264 |
| Mayhew Island | Grafton | Newfound Lake | 656 | 200 |
| Melody Island | Carroll | Lake Winnipesaukee | 515 | 157 |
| Melvin Island | Carroll | Lake Winnipesaukee | 505 | 154 |
| Merrill Island | Grafton | Squam Lake | 587 | 179 |
| Metallak Island | Coos | Umbagog Lake | 1,247 | 380 |
| Mile Island | Carroll | Lake Winnipesaukee | 502 | 153 |
| Min Island | Carroll | Lake Wentworth | 535 | 163 |
| Minister Island | Carroll | Lake Winnipesaukee | 512 | 156 |
| Mink Island | Carroll | Lake Wentworth | 535 | 163 |
| Mink Island | Belknap | Lake Winnipesaukee | 518 | 158 |
| Mink Island | Grafton | Squam Lake | 561 | 171 |
| Moat Island | Strafford | Lamprey River | 30 | 9 |
| Mohawk Island | Belknap | Winnisquam Lake | 482 | 147 |
| Mooney Island | Grafton | Squam Lake | 577 | 176 |
| Moose Island | Belknap | Lake Winnipesaukee | 502 | 153 |
| Mouse Island | Belknap | Squam Lake | 561 | 171 |
| Mud Island | Carroll | Lake Winnipesaukee | 505 | 154 |
| Nannie Island | Rockingham | Great Bay | 0 | 0 |
| New Castle Island | Rockingham | Piscataqua River | 13 | 4 |
| Nine Islands | Coos | Connecticut River | 568 | 173 |
| Nineacre Island | Carroll | Lake Winnipesaukee | 522 | 159 |
| No Mans Island | Grafton | Connecticut River | 404 | 123 |
| Oak Island | Belknap | Lake Winnipesaukee | 518 | 158 |
| Otter Island | Carroll | Squam Lake | 561 | 171 |
| Outer Sunk Rocks | Rockingham | Atlantic Ocean | 0 | 0 |
| Overlook Island | Carroll | Pine River Pond | 584 | 178 |
| Overnight Island | Carroll | Lake Winnipesaukee | 502 | 153 |
| Ozone Island | Carroll | Lake Winnipesaukee | 502 | 153 |
| Paradise Island | Cheshire | Lake Monomonac | 1,089 | 332 |
| Parker Island | Carroll | Lake Winnipesaukee | 505 | 154 |
| Peirce Island | Rockingham | Piscataqua River | 13 | 4 |
| Penny Island | Belknap | Lake Winnipesaukee | 502 | 153 |
| Perch Island | Grafton | Squam Lake | 561 | 171 |
| Perch Island | Carroll | Lake Winnipesaukee | 505 | 154 |
| Pest Island | Rockingham | Little Harbor | 16 | 5 |
| Picnic Island | Rockingham | Massabesic Lake | 253 | 77 |
| Pierces Island | Cheshire | Spofford Lake | 735 | 224 |
| Pig Island | Belknap | Lake Winnipesaukee | 502 | 153 |
| Pine Island | Belknap | Lake Winnipesaukee | 538 | 164 |
| Pine Island | Strafford | Bow Lake | 518 | 158 |
| Pistol Island | Carroll | Lake Winnipesaukee | 502 | 153 |
| Pitchwood Island | Belknap | Lake Winnipesaukee | 509 | 155 |
| Pleasant Island | Carroll | Lake Winnipesaukee | 505 | 154 |
| Plummer Island | Belknap | Paugus Bay | 505 | 154 |
| Poplar Island | Carroll | Lake Winnipesaukee | 522 | 159 |
| Poplar Island | Carroll | Lake Wentworth | 541 | 165 |
| Pot Island | Belknap | Winnisquam Lake | 482 | 147 |
| Potato Island | Grafton | Squam Lake | 561 | 171 |
| Ragged Island | Carroll | Lake Winnipesaukee | 505 | 154 |
| Rattlesnake Island | Belknap | Lake Winnipesaukee | 791 | 241 |
| Redhead Island | Belknap | Lake Winnipesaukee | 518 | 158 |
| Rock Island | Belknap | Lake Winnipesaukee | 505 | 154 |
| Round Island | Belknap | Lake Winnipesaukee | 541 | 165 |
| Round Island | Carroll | Lake Winnipesaukee | 502 | 153 |
| Rye Island | Strafford | Bow Lake | 518 | 158 |
| Sandy Island | Carroll | Lake Winnipesaukee | 525 | 160 |
| Scavenger Island | Carroll | Lake Winnipesaukee | 502 | 153 |
| Seven Islands | Coos | Androscoggin River | 1,178 | 359 |
| Seven Sisters Islands | Carroll | Lake Wentworth | 535 | 163 |
| Shapleigh Island | Rockingham | Piscataqua River | 20 | 6 |
| Sheep Island | Grafton | Squam Lake | 561 | 171 |
| Shelter Island | Carroll | Lake Winnipesaukee | 502 | 153 |
| Ship Island | Belknap | Lake Winnipesaukee | 502 | 153 |
| Sixmile Island | Belknap | Lake Winnipesaukee | 571 | 174 |
| Sleepers Island | Belknap | Lake Winnipesaukee | 696 | 212 |
| Spectacle Island | Carroll | Lake Winnipesaukee | 502 | 153 |
| Spencer Island | Cheshire | Connecticut River | 226 | 69 |
| Spider Island | Carroll | Lake Winnipesaukee | 502 | 153 |
| Stamp Act Island | Carroll | Lake Winnipesaukee | 538 | 164 |
| Star Island | Rockingham | Atlantic Ocean | 0 | 0 |
| Star Island | Sullivan | Lake Sunapee | 1,102 | 336 |
| Steamboat Island | Belknap | Lake Winnipesaukee | 522 | 159 |
| Stebbins Island | Cheshire | Connecticut River | 223 | 68 |
| Stevens Island | Coos | Connecticut River | 453 | 138 |
| Stonedam Island | Belknap | Lake Winnipesaukee | 696 | 212 |
| Store Island | Carroll | Lake Winnipesaukee | 502 | 153 |
| Sumner Island | Belknap | Pemigewasset River | 318 | 97 |
| Sunken Island | Strafford | Cocheco River | 105 | 32 |
| Swan Island | Rockingham | Great Bay | 0 | 0 |
| Swill Island | Carroll | Lake Winnipesaukee | 502 | 153 |
| The Beavers | Belknap | Lake Winnipesaukee | 505 | 154 |
| The Hubbles | Grafton | Squam Lake | 561 | 171 |
| Three Islands | Belknap | Winnisquam Lake | 509 | 155 |
| Three Sisters Island | Grafton | Squam Lake | 561 | 171 |
| Threemile Island | Belknap | Lake Winnipesaukee | 545 | 166 |
| Timber Island | Belknap | Lake Winnipesaukee | 548 | 167 |
| Triggs Island | Carroll | Lake Wentworth | 541 | 165 |
| Turtle Island | Carroll | Lake Wentworth | 535 | 163 |
| Twin Islands | Carroll | Lake Winnipesaukee | 505 | 154 |
| Twomile Island | Carroll | Lake Winnipesaukee | 528 | 161 |
| Upper Shore Island | Carroll | Lake Winnipesaukee | 502 | 153 |
| Varney Islands | Carroll | Lake Winnipesaukee | 502 | 153 |
| Vols Island | Rockingham | Great Bay | 0 | 0 |
| Wal Island | Carroll | Lake Wentworth | 535 | 163 |
| Walcott Island | Sullivan | Connecticut River | 285 | 87 |
| Wallace Island | Carroll | Lake Winnipesaukee | 505 | 154 |
| Welch Island | Belknap | Lake Winnipesaukee | 564 | 172 |
| Wentworth Island | Coos | Androscoggin River | 1,165 | 355 |
| West Jockey Cap Island | Carroll | Lake Wentworth | 535 | 163 |
| Whaleback Island | Carroll | Lake Winnipesaukee | 509 | 155 |
| White Island | Rockingham | Atlantic Ocean | 26 | 8 |
| Whortleberry Island | Carroll | Lake Winnipesaukee | 515 | 157 |
| Winch Island | Carroll | Lake Winnipesaukee | 502 | 153 |
| Wood Island | Grafton | Mascoma Lake | 751 | 229 |
| Worcester Island | Carroll | Lake Winnipesaukee | 522 | 159 |
| Wrights Island | Rockingham | Seabrook salt marsh | 7 | 2 |
| Yard Island | Carroll | Squam Lake | 561 | 171 |
| York Island | Strafford | Bow Lake | 518 | 158 |