Marousi 2004
| Fullname | Α.Σ. Μαρούσι 2004 |
| Department Establishment | 1998 |
| Team Colors | Green and white |
| League | Baseball League (Greece) |
| Season | 2012 |
| Position | Second |
Marousi 2004 is a baseball team based in Marousi , Athens.They have won 5 Greek Baseball League titles which makes them the second more successful team in Greece after Spartakos Glyfadas.