Icici, Croatia offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Icici is known for its beautiful marina and proximity to the Opatija Riviera. The best time to travel to Icici, Croatia, is from June to September, when the average air temperature is around 75°F (24°C) and the sea temperature is approximately 73°F (23°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!