in Keri beach you can relax in a quite enviroment.
six restaurants, three bars with good drinks, s/m bakery grocery , gas station , gift shops,.. everything in few minutes walk.
on the beach you can sit under the shade of the trees and you dont want to get out of the water.
from the port you must hire a boat for the caves and Marathonisi island.
you can use Limni like base and do small trips around the island .
Keri village is 5 km away but its worthing a visit and also you must visit Lighthouse for the sunset , the big , huge flag, and the restaurant for a romantic dinner specially with fullmon that hapened to be for us.