If you are cruising to Nice, try to be up on deck as the ship enters the port, as you will have a wonderful view of the famous palm-fringed Promenade des Anglais if you are approaching from the west. Smaller cruise ships dock at the Quai du Commerce. In season, there is a free shuttle and everything close by, such as taxis, currency exchange, and tourist information. Large cruise ships dock nearby in Villefranche.
Most of the big cruise companies will have cruises that include Nice in their itineraries. Nice is often included as a port with other Mediterranean cities such as Naples and Barcelona. You can also find cruises that focus on France and include Nice along with other French cities such as Avignon, Monaco, and Cannes. If you only have a brief time in Nice, you may want to consider the excursions offered by the cruise lines. These will often cover the highlights of Nice. If you have more time, you have the freedom to explore on your own.