The Stade Nautique Rainier III, Monaco’s open-air swimming pool set in the heart of Port Hercule, reopens on Friday 1st May at 9am for the 2026 season.

The 50-metre Olympic pool holds 3,000 m³ of filtered, treated seawater heated to 27°C and is equipped with diving boards at one, three and five metres, a 45-metre water slide, and sun loungers and parasols available for hire. The facility is supervised by qualified lifeguards throughout the season.

Aquagym, aquabike and swimming lessons are all available from the opening date. Children under 12 must be accompanied by an adult.

For the third consecutive year, the pool is partnering with the Club d’Exploration Sous-Marine de Monaco for free introductory scuba diving sessions — open to adults and children aged eight and over — on Wednesdays 8st July and 12th August. Standard entry fees apply on those days, with the diving tasters offered at no additional cost.

The Stade Nautique will also join the Princess Charlène Foundation on Friday 25th July for the World Drowning Prevention Day.

Full details on pricing, course schedules and opening hours are available at mairie.mc.

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Photo credit: Cassandra Tanti