Dreadnought
| Rivadavia | (2) | Class: 5 | Units: 5.5 | Speed: 28 |
| | Length OA | Beam | Std Disp. | Full Disp. |
| As Built | 594 | 98 | 27700 | 31000 |
| Model | 49.50 | 8.17 |   | 23.256 |
| | Armor: 12.0 | # of Guns: 12 | Gun Dia: 12.0 |
Const: 1914-15 |
Heavy Cruiser
| Vient. De Mayo | (2) | Class: 2 | Units: 2.5 | Speed: 24 |
| | Length OA | Beam | Std Disp. | Full Disp. |
| As Built | 560 | 59 | 7000 | 10700 |
| Model | 46.67 | 4.92 |   | 8.027 |
| | Armor: 2.8 | # of Guns: 6 | Gun Dia: 7.5 |
Const: 1931 |
Light Cruiser (After 1922)
| La Argentina | (1) | Class: 2 | Units: 2.5 | Speed: 23 |
| | Length OA | Beam | Std Disp. | Full Disp. |
| As Built | 541 | 57 | 6500 | 8000 |
| Model | 45.08 | 4.75 |   | 6.002 |
| | Armor: 3.0 | # of Guns: 9 | Gun Dia: 6.0 |
Const: 1939 |
Destroyer
| Buenos Aires | (7) | Class: 1 | Units: 1.0 | Speed: 22 |
| | Length OA | Beam | Std Disp. | Full Disp. |
| As Built | 323 | 35 | 1500 | 2500 |
| Model | 26.92 | 2.92 |   | 1.875 |
| | Armor: - | # of Guns: 4 | Gun Dia: 4.7 |
Const: 1937-38 |
| Churruca | (2) | Class: 1 | Units: 1.0 | Speed: 22 |
| | Length OA | Beam | Std Disp. | Full Disp. |
| As Built | 333 | 32 | 1500 | 2500 |
| Model | 27.75 | 2.67 |   | 1.875 |
| | Armor: - | # of Guns: 5 | Gun Dia: 4.7 |
Const: 1926-27 |
| Mendoza | (3) | Class: 1 | Units: 1.0 | Speed: 22 |
| | Length OA | Beam | Std Disp. | Full Disp. |
| As Built | 335 | 32 | 1500 | 2500 |
| Model | 27.92 | 2.67 |   | 1.875 |
| | Armor: - | # of Guns: 5 | Gun Dia: 4.7 |
Const: 1929 |
| Catamarca | (2) | Class: 1 | Units: 1.0 | Speed: 23 |
| | Length OA | Beam | Std Disp. | Full Disp. |
| As Built | 289 | 27 | 1000 | 1500 |
| Model | 24.08 | 2.25 |   | 1.125 |
| | Armor: - | # of Guns: 4 | Gun Dia: 4.0 |
Const: 1912 |
| La Plata | (2) | Class: 1 | Units: 1.0 | Speed: 23 |
| | Length OA | Beam | Std Disp. | Full Disp. |
| As Built | 295 | 30 | 1100 | 1600 |
| Model | 24.58 | 2.50 |   | 1.2 |
| | Armor: - | # of Guns: 4 | Gun Dia: 4.0 |
Const: 1912 |
Gunboat
| King | (2) | Class: 1 | Units: 1.0 | Speed: 28 |
| | Length OA | Beam | Std Disp. | Full Disp. |
| As Built | 253 | 30 | 1000 | 1200 |
| Model | 21.08 | 2.50 |   | 0.9 |
| | Armor: - | # of Guns: 3 | Gun Dia: 3.9 |
Const: 1945-46 |