Stade Nautique Rainier III is a public outdoor swimming pool in the center of Monaco city. It is located right at Port Hercule, the main port of Monaco. The pool has been built in 1961 and is operated since then by the city of Monaco.
The swimming pool consists of a single, olympic-size basin, that contains saltwater that is heated to 27°C. The pool is equipped with 1, 3 and 5 meter diving platforms and a 45 meter waterslide. Deckchairs and parasols can be rented.
Every year, from December to March the swimming pool is converted to an ice rink for skating.