Kotor, Montenegro. From Monday, September 6. 2021 Aquarium Boka, starts with new working hours, from 11:00 AM to 19:00 PM, from Wednesdays to Sundays. Please notice that we are CLOSED on Mondays and Tuesdays for maintance. Bear in mind that you still can use promotive ticket prices! See you in the Aquarium Boka!