Every day except Jan 1, May 1 and 17, Nov 11 and Dec 25.
Oct 1 - Mar 31: 10 am - 5:30 pm
Apr 1 - Sep 30: 10 am - 6:30 pm
Guided tours from 11 am and 3:30 pm are available only through reservation.
Single ticket: € 3
Wikipedia https://fr.wikipedia.org/wiki/Mus%25C3%25A9e_d%2527histoire_maritime_de_Saint-Tropez
Facebook https://www.facebook.com/citadellesainttropez
More information at the municipal website http://www.saint-tropez.fr/fr/Culture/Mus%C3%A9es/CitadelledeStTropezMus%C3%A9edHistoiremaritime/tabid/570/Default.aspx
Phone +4 94 97 59 43
Address 1 Montée de la Citadelle, 83990 Saint-Tropez, France
Coordinates 43°16'20.665" N 6°38'39.334" E