| Submarines of 600–1,000 tons (Diane class, Bellone class, and Gustave Zede class), range 4,000–5,000 miles, speed 18/10 knots, armament 4 to 6 torpedo tubes and 2 to 4 q.-f. guns: (completing) | 7 |
| Submarines of 500–600 tons (Clorinde class), range 3,500 miles, speed 15/9 ½ knots, armament 4 torpedo tubes: (in commission) | 10 |
| Submarines of 600–800 tons (vessels: Mariotte, Archimède, Charles Brun, and Admiral Bourgeoise), range 3,000–3,500 miles, speed 15/10 knots, armament 4 torpedo tubes: (in commission) | 4 |
| Submarines of 600 tons (Fresnel class), range 2,000 miles, speed 12/9 knots, armament 4 torpedo tubes: (in commission) | 22 |
| Submarines of 500–600 tons (Pluviôse class), range 2,500 miles, speed 12/9 knots, armament 4 torpedo tubes: (in commission) | 11 |
| Total Sea-going Submarines | 54 |
| Submarines of 450 tons (Circe class), range 1,000 miles, speed 11/8 knots, armament 2 torpedo tubes and 2 torpedoes in holders: (in commission) | 2 |
| Submarines of 400 tons (Emeraude class), range 1,000 miles, speed 12/8 ½ knots, armament 2 tubes and 4 holders: (in commission) | 6 |
| Submarines of 300–400 tons (Argonaute and Aigrette class), range 700 miles, speed 10/9 knots, armament 1 to 4 torpedo tubes: (in commission) | 3 |
| Total Coast Defence Submarines | 11 |