Museumsinsel is a subway station in Berlin's Mitte district. It is part of the extension of the subway line U5 from Alexanderplatz to Brandenburger Tor, with groundbreaking occurring in 2010. The station opened on 9 July 2021.

U5 is a line on the Berlin U-Bahn. It runs from Hauptbahnhof in Mitte eastwards through Alexanderplatz, Friedrichshain, Lichtenberg and Friedrichsfelde, surfaces in Biesdorf-Süd to pass Kaulsdorf and Hellersdorf above ground and finally reaches city limits at Hönow.