Population ageing is now recognized as one of the major economic and public health challenges of the 21st century. The figures speak for themselves: worldwide, more than one billion people will be over the age of 60 by 2050 [1]. This major demographic shift raises important questions, particularly regarding the maintenance of health and quality of life throughout ageing.

Coastal environments offer the perfect setting to relax and recharge. But beyond the pleasure they bring, these blue landscapes can have a real impact on our physical and mental health.