In Menorca, a range of beaches and coves can only be reached through trails. They're easy trail positions do, met nevertheless provide the kind of work and make it advisable to wear trekking shoes or good-quality footwear. You may bring along flip-flops as well, but they are good for beach-only tasks.
To illustrate, take if you want to trek for over an hour through the rocky and scenic route of Cala Escorxada proper footwear will be significant for you to avert falling or getting blisters.
A cool idea for coves without sand is to put on water shoes or pies de gato in Spanish. These are almost the same as the regular climbing shoes (which are water-resistant in this case) and will facilitate your ease of movement while you circumvent the rocky surfaces.
You can, for instance, locate these shoes in decathlon with prices from approximately €15.