Marseille. Walk to the quays of the old port to watch boats coming in. Or travel to posh Aix-en-Provence, and watch the sun set there.
Cannes. After a day on the seaside promenade, head up the hill to Le Suquet, the old town, and take part in the pastime of the French Riviera., Monte-Carlo: Explore the Palace of the Grimaldis, the Prince’s Palace of Monaco.
Portovenere, Italy. Walk the path that meanders down to the rocky edge of the Bay of Poets, and swim in memory of Byron and Shelley. Then walk up to the Church of San Pietro. From this fantastic Gothic site on the cliff, the view of the sea and the sunset is amazing.