The Oceanographic Museum is open from 09:30 am to 8:00 pm (last entry 7:30 pm).
The Museum will be open on Friday 15 August from 9.30am to 8pm (last admission 7.30pm).
For your visit of the Oceanographic Museum of Monaco, we recommend that you park in the Parking des Salines, which is located 95 Boulevard du Jardin Exotique, 98000 Monaco
From the car park, it's easy to get to "Le Rocher" (terminus 100m from the Museum) via the Xpress X1 shuttle bus of Monaco : https://www.cam.mc/a-la-une-fr/evolution-de-vos-lignes-xpress