Sóller is a town and municipality near the north west coast of the Balearic Island of Mallorca, Spain, 3 km inland from Port de Sóller, in a large, …Sóller is a town and municipality near the north west coast of the Balearic Island of Mallorca, Spain, 3 km inland from Port de Sóller, in a large, bowl-shaped valley that also includes the village of Fornalutx and the hamlets of Biniaraix and Binibassi. The population is around 14,000. The Tranvía de Sóller tram links Sóller to Port de Sóller.