A Marine Base, or a Marine Home Base (海軍基地 Kaigun Kichi?) is a home headquarters in local areas of the sea. Marines would stay in the base and patrol the local area. The base houses all weapons, ships, important documents, and artillery. The bases have living quarters with bunkbeds and a kitchen and common area. Most bases have numbers, but some of them have proper names, possibly in addition to a number. So far, all bases designated fortresses have been on the Grand Line, while those designated as branches have been in the four Blues. Also, some bases are attached to major port cities, and thus bear only the city's name.
List of Marine Bases
- 16th Branch (East Blue)
- 77th Branch (East Blue)
- 80th Branch (West Blue)
- 153rd Branch (Shells Town, East Blue)
- Loguetown Marine Base (East Blue)
- Marineford (Grand Line)
- G-1 (Marineford, Grand Line (former); New World)
- G-2 (Grand Line)
- G-3 (Grand Line)
- G-5 (New World)
- Sabaody Archipelago Marine Base (Sabaody Archipelago, Grand Line)
- Marine Penitentiary (Grand Line)
- ↑ One Piece Manga and Anime — Vol. 1 Chapter 3 (p. 6 (88)) and Episode 1, Branch 153 is referred as a "Marine Base".