It is bordered by the Thau lagoon, a saltwater lagoon that is home to various animal species.
Along a narrow isthmus, the Mediterranean coast of Sète is made up of sandy beaches.
The summit of Mont Saint-Clair offers a view of the city, also called the "Venice of Languedoc" because of its network of canals.
The Paul Valéry Museum presents exhibitions on the history of Sète and includes a collection of works of art.