The best time to go to Es Castell is during the shoulder seasons of May, June, and September.These months offer warm, pleasant weather, ideal for exploring the town and enjoying the Mediterranean Sea, without the peak summer crowds. You'll find temperatures are comfortably in the low to mid-20s Celsius, superb for outdoor activities like walking along the Cales Fonts harbour or visiting nearby beaches.For couples looking for a romantic escape, May and September are particularly appealing. The fewer crowds mean more intimate dining experiences at the waterfront restaurants in Cales Fonts and a more relaxed atmosphere for strolls through the town's historic streets. You can enjoy the local markets and cultural events at a leisurely pace.Travellers who enjoy watersports and a livelier, yet still manageable, atmosphere might prefer June. The sea is warm enough for swimming and snorkeling, and there are often more organised activities available, though the town retains its laid-back charm.