White sand
Cala Santanyí (beach)
Santanyí, Spain · sea 26.1 °C at its warmest, in August

Sea temperature month by month
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020.
About
Cala Santañí (o Playa Santañí; en catalán y oficialmente Cala Santanyí) es una playa que está situada en la localidad española de Cala Santañí, municipio de Santañí, Mallorca.
Questions
How warm is the sea at Cala Santanyí (beach)?
The sea off Cala Santanyí (beach) averages 26.1 °C at its warmest, in August, and 14.1 °C at its coolest. These are monthly means from NOAA's OISST v2.1 satellite and buoy record for 1991 to 2020, sampled at the beach's own coordinates.
When can you swim at Cala Santanyí (beach)?
The sea reaches 20 °C or more from June to October. Twenty degrees is where most swimmers stop calling water cold; below it, a wetsuit helps.
Where is Cala Santanyí (beach)?
Cala Santanyí (beach) is on the coast of Santanyí, Spain, at 39.3303, 3.1464. The map on this site flies straight to it.