We are touring France iin late May early June mostly by Riverboat. Our cruise ends in Marseille and we are taking an extra week to explore the area. First thoughts are to rent a car in Marseille and go from there. Looking for advice on the best way to spend this week. Do we drive up the coast towards Nice and spend single nights in different locations or pick a location as our base and take daily excursions from there. Would like to include Cannes and Nice in our travels. Suggestions on places to visit, places to stay would be greatly appreciated. Thanks in advance.