You can stroll along Grand Port Maritime de Marseille for relaxing water views when you're in 2nd Arrondissement. If you carry on walking you'll get to Marseille Ferry Terminal, Docks of Joliette, and Marseille Fos Port for some more water views.
Explore the waterfront in Marseille with a trip to Docks of Joliette. Visit the area's shops or amble around its seaside.