Introduction
Stade Nautique Rainier III is a public open-air municipal swimming complex in Port Hercule, in the La Condamine district of Monaco, built in 1972. It features a heated Olympic-size saltwater pool (50m x 25m, 3,000 m³) filtered and heated to 27°C, along with 1, 3, 5, and 10m diving platforms and a 45m slide, plus sun loungers for sunbathing. It is open seasonally from May to October and is famously featured during the Monaco Formula 1 Grand Prix.