Lobby (1st floor)
On display here are of objects that are associated with life and the main functions of the port (military and commercial).

Hall 1 (1st floor)
Findings from recent excavations from the Attica coast area and the Argosaronic islands covering a wide cycle from the Mycenaean (sacred figurines from peak of Kythera, sanctified offerings of Methanon) to the Hellenistic period and a rich collection of Geometric and Archaic pottery are shown.

Halls 2 & 3 (1st floor)
Here stands an exhibition of bronze statues discovered in the area in 1959 and shows the most important exhibits of the museum: the Archaic "Kouros" - Apollo (project of the 6th Century B.C.), Athena, project likely of Kifisodotou the sculptor (4th Century B.C.), the two statues of Artemis (4th Century B.C.) and the bronze-tragic mask.
 

Hall 4 (1st floor)
Displays a representation of a typical sanctuary of the classical era, the chapel with the statue of Kyvelis from Moschato, surrounded by a series of votive sculptures from various sanctuaries in Piraeus.

Hall 5 (1st floor)
Here lies an exhibition of an important collection of marble tomb of the 5th and 4th Century B.C., indicative of the path from classical to postclassical perception of anaglyph. Two unique burial monuments for the oversized Pancharous column and the Mausoleum of an emigrant from Istria, found in Kallithea, which is completely renovated. Also displayed in the same gallery is the giant lion from Moschato.

Halls 7 and 8 (ground floor)
Shown are a number of decorative neoattikon anaglyphs, destined for export to Rome that was the cargo of a ship that had sunk in Piraeus harbor.

Hall 9 (ground floor)
Hosts an overview of ancient art from the period of the decline of classical era to about the end of the Roman era, with a minor – based on the city decay - presence of Hellenistic and Roman sculptures. Here, the colossal statue of Emperor Hadrian is the star of the collection.