Keroman III: 47°43′38″N 03°22′02″W﻿ / ﻿47.72722°N 3.36722°W﻿ / 47.72722; -3.36722﻿ (Lorient - Keroman III Submarine Pen) Scorff: 47°45′02″N 03°20′53″W﻿ / ﻿47.75056°N 3.34806°W﻿ / 47.75056; -3.34806﻿ (Lorient - Scroff Submarine Pen) Dom (East): 47°43′56″N 03°22′02″W﻿ / ﻿47.73222°N 3.36722°W﻿ / 47.73222; -3.36722﻿ (Lorient - Dom (East) Submarine Pen) Dom (West): 47°43′55″N 03°22′07″W﻿ / ﻿47.73194°N 3.36861°W﻿ / 47.73194; -3.36861﻿ (Lorient - Dom (West) Submarine Pen)