A total of 112 coastal tankers, known as Y boats, were built for the U.S. Army by 8 small shipbuilders, notably Odenbach Shipbuilding, in Rochester NY. All were of steel and were either 162 or 182 feet in length. After the war many were transferred to overseas owners and many became bunkering barges, both in the U.S. and overseas, but large numbers are unaccounted for. If anyone knows of the whereabouts or final fate of a Y boat that's not already reported below, please e-mail me at timcolton@aol.com
| Shipbuilder | Location | Type | # | Design # | Length (ft.) | Tons | Delivery | Disposition |
| Odenbach Shipbuilding | Rochester NY | Y | 1 | 294 | 182 | 630 | Apr-43 | To Dominican Republic 1946 as 24 de Octobre |
| Odenbach Shipbuilding | Rochester NY | Y | 2 | 294 | 182 | 630 | Apr-43 | Sold private 1946 as Lucy Reinauer |
| Odenbach Shipbuilding | Rochester NY | Y | 3 | 294 | 182 | 630 | Apr-43 | Disposition unknown |
| Odenbach Shipbuilding | Rochester NY | Y | 4 | 294 | 182 | 630 | Apr-43 | To the Philippines 1946 as Y 4 |
| Odenbach Shipbuilding | Rochester NY | Y | 5 | 294 | 182 | 630 | May-43 | Sold private 1946 as Sourdough Queen |
| Odenbach Shipbuilding | Rochester NY | Y | 6 | 294 | 182 | 630 | Jun-43 | Sold private 1946 as Islander |
| Odenbach Shipbuilding | Rochester NY | Y | 7 | 294 | 182 | 630 | Jun-43 | To Korea 1946 as Yuchon |
| Odenbach Shipbuilding | Rochester NY | Y | 8 | 294 | 182 | 630 | Jul-43 | Disposition unknown |
| Odenbach Shipbuilding | Rochester NY | Y | 9 | 294 | 182 | 630 | Aug-43 | Retired in the 1950s |
| Odenbach Shipbuilding | Rochester NY | Y | 10 | 294 | 182 | 630 | Aug-43 | Disposition unknown |
| Odenbach Shipbuilding | Rochester NY | Y | 11 | 294 | 182 | 630 | Sep-43 | Retired in the 1950s |
| Odenbach Shipbuilding | Rochester NY | Y | 12 | 294 | 182 | 630 | Oct-43 | To Greece 1946 as Marilena |
| Levingston Shipbuilding | Orange TX | Y | 13 | 286 | 162 | 484 | 3/43-8/43 | To Hong Kong 1946 as Y 13 |
| Levingston Shipbuilding | Orange TX | Y | 14 | 286 | 162 | 484 | 3/43-8/43 | Retired in the 1950s |
| Levingston Shipbuilding | Orange TX | Y | 15 | 286 | 162 | 484 | 3/43-8/43 | Retired in the 1950s |
| Levingston Shipbuilding | Orange TX | Y | 16 | 286 | 162 | 484 | 3/43-8/43 | To the Bahamas 1946 as J. G. MacRallon |
| Levingston Shipbuilding | Orange TX | Y | 17 | 286 | 162 | 484 | 3/43-8/43 | Sank |
| Levingston Shipbuilding | Orange TX | Y | 18 | 286 | 162 | 484 | 3/43-8/43 | To Hong Kong 1946 as Y 18 |
| Levingston Shipbuilding | Orange TX | Y | 19 | 286 | 162 | 484 | 3/43-8/43 | To the Philippines 1946 as Y 19 |
| Levingston Shipbuilding | Orange TX | Y | 20 | 286 | 162 | 484 | 3/43-8/43 | Retired in the 1950s |
| Levingston Shipbuilding | Orange TX | Y | 21 | 286 | 162 | 484 | 3/43-8/43 | Disposition unknown |
| Levingston Shipbuilding | Orange TX | Y | 22 | 286 | 162 | 484 | 3/43-8/43 | To Panama 1946 as Y 22 |
| Equitable Equipment | Mad'ville LA | Y | 23 | 286 | 162 | 484 | 6/43-9/43 | To Honduras 1946 as Carmen |
| Equitable Equipment | Mad'ville LA | Y | 24 | 286 | 162 | 484 | 6/43-9/43 | To Panama 1946 as Y 24 |
| Equitable Equipment | Mad'ville LA | Y | 25 | 286 | 162 | 484 | 6/43-9/43 | To Panama 1946 as Y 25 |
| Equitable Equipment | Mad'ville LA | Y | 26 | 286 | 162 | 484 | 6/43-9/43 | To Honduras 1946 as Hilda |
| Equitable Equipment | Mad'ville LA | Y | 27 | 286 | 162 | 484 | 6/43-9/43 | To Panama 1946 as Y 27 |
| Kyle & Co. | Stockton CA | Y | 28 | 286 | 162 | 484 | 1/44-6/44 | Disposition unknown |
| Kyle & Co. | Stockton CA | Y | 29 | 286 | 162 | 484 | 1/44-6/44 | Sold private 1946 as J. J. Kelly |
| Kyle & Co. | Stockton CA | Y | 30 | 286 | 162 | 484 | 1/44-6/44 | Sold private 1946 as Argo |
| Kyle & Co. | Stockton CA | Y | 31 | 286 | 162 | 484 | 1/44-6/44 | To Norway 1946 as Liten |
| Kyle & Co. | Stockton CA | Y | 32 | 286 | 162 | 484 | 1/44-6/44 | To Honduras 1946 as Ana |
| Kyle & Co. | Stockton CA | Y | 33 | 286 | 162 | 484 | 1/44-6/44 | To Norway 1946 as Angelus |
| Kyle & Co. | Stockton CA | Y | 34 | 286 | 162 | 484 | 1/44-6/44 | To Honduras 1946 as Tania |
| Kyle & Co. | Stockton CA | Y | 35 | 286 | 162 | 484 | 1/44-6/44 | To the Philippines 1946 as Y 35 |
| Y | 36-37 | Converted pre-war vessels | ||||||
| Odenbach Shipbuilding | Rochester NY | Y | 38 | 294 | 182 | 630 | Oct-43 | To USN 1946 as YO 237, later sold private as Franklin Reinauer II |
| Odenbach Shipbuilding | Rochester NY | Y | 39 | 294 | 182 | 630 | Oct-43 | To USN 1946 as YO 238, later sold as Iriella 1948, to Morocco as Taroudant, to Brazil as Saici, Mario Dias 1957 |
| Odenbach Shipbuilding | Rochester NY | Y | 40 | 294 | 182 | 630 | Nov-43 | To Panama 1946 as Y 40 |
| Odenbach Shipbuilding | Rochester NY | Y | 41 | 294 | 182 | 630 | Nov-43 | Sold private 1946 as Sarah Pinser II |
| Odenbach Shipbuilding | Rochester NY | Y | 42 | 294 | 182 | 630 | Nov-43 | To Panama 1946 as Unoba |
| Y | 43 | Converted pre-war vessel | ||||||
| Kyle & Co. | Stockton CA | Y | 44 | 286 | 162 | 484 | 7/44-9/44 | Disposition unknown |
| Kyle & Co. | Stockton CA | Y | 45 | 286 | 162 | 484 | 7/44-9/44 | To the Philippines 1946 as Y 45 |
| Kyle & Co. | Stockton CA | Y | 46 | 286 | 162 | 484 | 7/44-9/44 | To USAF 1946 as C-50-1171 |
| Lancaster Iron Works | Perryville MD | Y | 47 | 294 | 182 | 633 | 7/44-8/44 | To Panama 1946 as Y 47 |
| Lancaster Iron Works | Perryville MD | Y | 48 | 294 | 182 | 633 | 7/44-8/44 | Disposition unknown |
| Lancaster Iron Works | Perryville MD | Y | 49 | 294 | 182 | 633 | 7/44-8/44 | To Norway 1946 as Kloverstrand |
| Lancaster Iron Works | Perryville MD | Y | 50 | 294 | 182 | 633 | 10/44-2/45 | To China 1946 as Ming Sung No. 1 |
| Lancaster Iron Works | Perryville MD | Y | 51 | 294 | 182 | 633 | 10/44-2/45 | To Russia 1946 on loan |
| Mathis, John H. | Camden NJ | Y | 52 | 294 | 182 | 633 | 10/44-3/45 | To Panama Canal Co. as Y 52 |
| Mathis, John H. | Camden NJ | Y | 53 | 294 | 182 | 633 | 10/44-3/45 | Disposition unknown |
| Mathis, John H. | Camden NJ | Y | 54 | 294 | 182 | 633 | 10/44-3/45 | To Russia 1946 on loan |
| Lancaster Iron Works | Perryville MD | Y | 55 | 294 | 182 | 633 | 10/44-2/45 | To Russia 1946 on loan |
| Mathis, John H. | Camden NJ | Y | 56 | 294 | 182 | 633 | 10/44-3/45 | Retired in the 1960s |
| Lancaster Iron Works | Perryville MD | Y | 57 | 294 | 182 | 633 | 10/44-2/45 | To Russia 1946 on loan |
| Lancaster Iron Works | Perryville MD | Y | 58 | 294 | 182 | 633 | 10/44-2/45 | Retired in the 1960s |
| Mathis, John H. | Camden NJ | Y | 59 | 294 | 182 | 633 | 10/44-3/45 | To the Philippines 1945 |
| Mathis, John H. | Camden NJ | Y | 60 | 294 | 182 | 633 | 10/44-3/45 | Retired in the 1960s |
| Mathis, John H. | Camden NJ | Y | 61 | 294 | 182 | 633 | 10/44-3/45 | Retired in the 1960s |
| Mathis, John H. | Camden NJ | Y | 62 | 294 | 182 | 633 | 10/44-3/45 | To Paraguay 1946 as Paraguari |
| Florida Shipbuilding | Ojus FL | Y | 63 | 294 | 182 | 627 | 2/45-5/45 | To Paraguay 1946 as Ypora |
| Florida Shipbuilding | Ojus FL | Y | 64 | 294 | 182 | 627 | 2/45-5/45 | Retired in the 1960s |
| Florida Shipbuilding | Ojus FL | Y | 65 | 294 | 182 | 627 | 2/45-5/45 | To Paraguay 1946 as Ygurey |
| Florida Shipbuilding | Ojus FL | Y | 66 | 294 | 182 | 627 | 2/45-5/45 | Retired in the 1960s, now fish processing plant in Seattle |
| Florida Shipbuilding | Ojus FL | Y | 67 | 294 | 182 | 627 | 2/45-5/45 | To Panama 1946 as Chundo Ilho |
| Odenbach Shipbuilding | Rochester NY | Y | 68 | 294 | 182 | 632 | Apr-44 | To Panama 1946 as Teresa, Eugenia 1993, active in Greece |
| Odenbach Shipbuilding | Rochester NY | Y | 69 | 294 | 182 | 632 | Apr-44 | To Honduras 1946 as Rose Mary |
| Odenbach Shipbuilding | Rochester NY | Y | 70 | 294 | 182 | 632 | Apr-44 | To Brazil 1946 as Esso Rio de Janeiro |
| Odenbach Shipbuilding | Rochester NY | Y | 71 | 294 | 182 | 632 | May-44 | Sold private 1946 as Morania Dolphin |
| Odenbach Shipbuilding | Rochester NY | Y | 72 | 294 | 182 | 632 | May-44 | To Honduras 1946 as Cynthia |
| Odenbach Shipbuilding | Rochester NY | Y | 73 | 294 | 182 | 632 | May-44 | Retired in the 1960s |
| Odenbach Shipbuilding | Rochester NY | Y | 74 | 294 | 182 | 632 | May-44 | To Morocco 1946 as Fedala |
| Odenbach Shipbuilding | Rochester NY | Y | 75 | 294 | 182 | 632 | May-44 | To Poland 1946 as Turnia |
| Odenbach Shipbuilding | Rochester NY | Y | 76 | 294 | 182 | 632 | May-44 | To Italy 1946 as Clara G. |
| Odenbach Shipbuilding | Rochester NY | Y | 77 | 294 | 182 | 632 | Jun-44 | To Italy 1948 as Isonzo, struck 1974 |
| Odenbach Shipbuilding | Rochester NY | Y | 78 | 294 | 182 | 632 | Jun-44 | To Brazil 1946 as Helias |
| Odenbach Shipbuilding | Rochester NY | Y | 79 | 294 | 182 | 632 | Jun-44 | To Italy 1948 as Ticino, struck 1984 |
| Odenbach Shipbuilding | Rochester NY | Y | 80 | 294 | 182 | 632 | Jun-44 | To Honduras 1946 as Claudia |
| Odenbach Shipbuilding | Rochester NY | Y | 81 | 294 | 182 | 632 | Jul-44 | To the Netherlands 1946 as Nassau |
| Odenbach Shipbuilding | Rochester NY | Y | 82 | 294 | 182 | 632 | Jul-44 | To the Netherlands 1946 as Betoeran |
| Odenbach Shipbuilding | Rochester NY | Y | 83 | 294 | 182 | 632 | Jul-44 | To Honduras 1946 as Tina |
| Odenbach Shipbuilding | Rochester NY | Y | 84 | 294 | 182 | 632 | Jul-44 | To Brazil 1946 as Propria |
| Odenbach Shipbuilding | Rochester NY | Y | 85 | 294 | 182 | 632 | Aug-44 | Sold private 1946 as Y 85 |
| Odenbach Shipbuilding | Rochester NY | Y | 86 | 294 | 182 | 632 | Jul-44 | To Panama 1946 as Y 86 |
| Odenbach Shipbuilding | Rochester NY | Y | 87 | 294 | 182 | 632 | Aug-44 | To USN 1946 as YO 242 |
| Odenbach Shipbuilding | Rochester NY | Y | 88 | 294 | 182 | 632 | Aug-44 | To USN 1946 as YO 243 |
| Odenbach Shipbuilding | Rochester NY | Y | 89 | 294 | 182 | 632 | Aug-44 | To the Netherlands 1946 as Boedoek |
| Odenbach Shipbuilding | Rochester NY | Y | 90 | 294 | 182 | 632 | Aug-44 | To USN 1946 as YO 244 |
| Odenbach Shipbuilding | Rochester NY | Y | 91 | 294 | 182 | 632 | Sep-44 | To China 1946 as Ming Sung No. 2 |
| Odenbach Shipbuilding | Rochester NY | Y | 92 | 294 | 182 | 632 | Sep-44 | Retired in the 1960s |
| Odenbach Shipbuilding | Rochester NY | Y | 93 | 294 | 182 | 632 | Oct-44 | To the Phillipines 1946 as Stanvac Visayas |
| Odenbach Shipbuilding | Rochester NY | Y | 94 | 294 | 182 | 632 | Oct-44 | To Russia 1946 on loan |
| Odenbach Shipbuilding | Rochester NY | Y | 95 | 294 | 182 | 632 | Oct-44 | Retired in the 1960s |
| Odenbach Shipbuilding | Rochester NY | Y | 96 | 294 | 182 | 632 | Oct-44 | To France 1946 as Y 96 |
| Odenbach Shipbuilding | Rochester NY | Y | 97 | 294 | 182 | 632 | Oct-44 | To Panama 1946 as Caltex 93 |
| Odenbach Shipbuilding | Rochester NY | Y | 98 | 294 | 182 | 632 | Nov-44 | To Greece 1946 as Zeus |
| Odenbach Shipbuilding | Rochester NY | Y | 99 | 294 | 182 | 632 | Nov-44 | To France 1946 as Y 99 |
| Odenbach Shipbuilding | Rochester NY | Y | 100 | 294 | 182 | 632 | Nov-44 | Retired in the 1960s |
| Odenbach Shipbuilding | Rochester NY | Y | 101 | 294 | 182 | 632 | Nov-44 | To the Phillipines 1946 as LSCO Lakandula |
| Odenbach Shipbuilding | Rochester NY | Y | 102 | 294 | 182 | 632 | Nov-44 | To Norway 1946 as Odness |
| Odenbach Shipbuilding | Rochester NY | Y | 103 | 294 | 182 | 632 | Dec-44 | Retired in the 1960s |
| Kane Shipbuilding | Galveston TX | Y | 104 | 294 | 182 | 632 | 6/44-12/44 | To Uruguay 1946 as Ancap V |
| Kane Shipbuilding | Galveston TX | Y | 105 | 294 | 182 | 632 | 6/44-12/44 | To Brazil 1946 as Maria Luiza |
| Kane Shipbuilding | Galveston TX | Y | 106 | 294 | 182 | 632 | 6/44-12/44 | To Brazil 1946 as Maria Celeste |
| Kane Shipbuilding | Galveston TX | Y | 107 | 294 | 182 | 632 | 6/44-12/44 | To Italy 1946 as Ortigia |
| Kane Shipbuilding | Galveston TX | Y | 108 | 294 | 182 | 632 | 6/44-12/44 | To Panama in ? as Seatown |
| Kane Shipbuilding | Galveston TX | Y | 109 | 294 | 182 | 632 | 6/44-12/44 | Retired in the 1960s |
| Kane Shipbuilding | Galveston TX | Y | 110 | 294 | 182 | 632 | 6/44-12/44 | To Argentina 1946 as Don Pablo |
| Kane Shipbuilding | Galveston TX | Y | 111 | 294 | 182 | 632 | 6/44-12/44 | To Russia 1946 on loan |
| Kane Shipbuilding | Galveston TX | Y | 112 | 294 | 182 | 632 | 6/44-12/44 | To Russia 1946 on loan |
| Kane Shipbuilding | Galveston TX | Y | 113 | 294 | 182 | 632 | 6/44-12/44 | To Russia 1946 on loan |
| Kane Shipbuilding | Galveston TX | Y | 114 | 294 | 182 | 632 | 6/44-12/44 | To Russia 1946 on loan |
| Kane Shipbuilding | Galveston TX | Y | 115 | 294 | 182 | 632 | 6/44-12/44 | To Paraguay 1946 as Lago Ypacarai |
| Y | 116-125 | Cancelled | ||||||
| Y | 126-128 | Converted pre-war vessels | ||||||
| Post-War Construction | ||||||||
| Y | 210 | 7014 | Is this the only one? | |||||