Portsmouth Naval Shipyard was established in 1800 and remains active today, maintaining the submarines of the Atlantic Fleet. Visit the shipyard here and see it from the air on Google here.
| Navy Type | Pennant # | Original Name | Type | Tons | Delivered | Disposition |
| Congress | Frigate | 1,867 | 1842 | Sold 1865 | ||
| Mohican | Cruiser | 1,461 | 1859 | Scrapped 1873 | ||
| Franklin | Frigate | 5,170 | 1867 | Sold 1915 | ||
| Saranac | Sloop | 1,463 | 1850 | Wrecked 1875 | ||
| LV | 1 | Nantucket | Light Vessel | 1855 | To Sea Scouts 1930, wrecked 1936 | |
| Kearsarge | Sloop | 1,550 | 1862 | Wrecked 1884 | ||
| Ossippee | Sloop | 1,240 | 1862 | Sold 1891 | ||
| Sebago | Gunboat | 1,070 | 1862 | |||
| Mahasca | Gunboat | 1,070 | 1862 | |||
| Sonoma | Gunboat | 1,070 | 1862 | |||
| Conemaugh | Gunboat | 1,070 | 1862 | |||
| Nipsic | Gunboat | 1,070 | 1863 | |||
| Sassacus | Gunboat | 1,070 | 1863 | |||
| Shawmut | Gunboat | 1,070 | 1864 | |||
| Pawtuxet | Gunboat | 1,070 | 1864 | |||
| Port Fire | Tug | 103 | 1864 | Sold 1878 | ||
| Sacramento | Sloop | 2,100 | 1864 | Wrecked 1867 | ||
| Agamenticos | Monitor | 3,295 | 1865 | Later Terror 1869, scrapped 1874 | ||
| Resaca | Sloop | 1,129 | 1866 | Wrecked 1875 | ||
| Piscataqua | Cruiser | 3,954 | 1867 | Later Delaware 1869, sold 1877 | ||
| Contoocook | Sloop | 2,348 | 1868 | Sold 1872 | ||
| Benicia | Sloop | 2,400 | 1869 | Sold 1884 | ||
| California | Sloop | 2,354 | 1870 | Sold 1875 | ||
| AT | 10 | Patapsco | Tug | 28-Jul-09 | Scrapped 1936 | |
| SS | 48 | L-8 | Submarine | 456 | 30-Aug-17 | Scrapped 1926 |
| SS | 62 | O-1 | Submarine | 521 | 5-Nov-18 | Scrapped 1938 |
| SS | 107 | S-3 | Submarine | 876 | 30-Jan-19 | Scrapped 1937 |
| SS | 109 | S-4 | Submarine | 876 | 19-Nov-19 | Scuttled 1936 |
| SS | 110 | S-5 | Submarine | 876 | 6-Mar-20 | Foundered off Delaware 1920 |
| SS | 111 | S-6 | Submarine | 876 | 17-May-20 | Scrapped 1937 |
| SS | 112 | S-7 | Submarine | 876 | 1-Jul-20 | Scrapped 1937 |
| SS | 113 | S-8 | Submarine | 876 | 1-Oct-20 | Scrapped 1937 |
| SS | 114 | S-9 | Submarine | 876 | 21-Feb-21 | Scrapped 1937 |
| SS | 115 | S-10 | Submarine | 876 | 21-Sep-22 | Scrapped 1937 |
| SS | 116 | S-11 | Submarine | 876 | 11-Jan-23 | Scrapped 1945 |
| SS | 117 | S-12 | Submarine | 876 | 30-Apr-23 | Scrapped 1945 |
| SS | 118 | S-13 | Submarine | 876 | 14-Jul-23 | Scrapped 1945 |
| PC | 190 | Unnamed | Patrol Craft | 1924-25 | ||
| PC | 191 | Unnamed | Patrol Craft | 1924-25 | ||
| PC | 192 | Unnamed | Patrol Craft | 1924-25 | ||
| SS | 163 | Barracuda (V-1) | Submarine | 2,506 | 1-Oct-24 | Scrapped 1945 |
| SS | 164 | Bass (V-2) | Submarine | 2,506 | 26-Sep-25 | Scuttled 1945 |
| SS | 165 | Bonita (V-3) | Submarine | 2,506 | 22-May-26 | Scrapped 1945 |
| SS | 166 | Argonaut (V-4) | Submarine | 4,080 | 2-Apr-28 | Later APS 1, sunk by Japanese Navy in New Britain 1943 |
| SS | 167 | Narwhal | Submarine | 3,960 | 18-Dec-29 | Scrapped 1948 |
| SS | 169 | Dolphin | Submarine | 2,215 | 14-Oct-32 | Scrapped 1948 |
| SS | 170 | Cachalot | Submarine | 1,650 | 1-Mar-34 | Scrapped 1948 |
| WYT | 87 | Hudson | Tug | 290 | 31-Oct-34 | Donated to Northwestern U. 1970 |
| SS | 172 | Porpoise | Submarine | 1,934 | 15-Jan-36 | Scrapped 1958 |
| SS | 173 | Pike | Submarine | 1,934 | 17-Apr-36 | Scrapped 1958 |
| SS | 179 | Plunger | Submarine | 1,997 | 31-Mar-37 | Scrapped 1958 |
| SS | 180 |