Istanbul Aquarium : With an amazing 83m long underwater Ocean Tunnel, 270 degree panoramic viewing Sea Bed, 21 themed zones with 47 display tanks and more than 15,000 sea creatures, the aquarium is the perfect stop for family fun! To get any closer you would have to get wet! Forum Istanbul, the biggest shopping and life center of Europe With a total construction area of 495.000 square meters in Bayrampaşa, Istanbul, Forum Istanbul is not only the biggest shopping center of Turkey, but also the biggest shopping center of Europe with a rentable area of 176.380 square meters, and 292 national and international brands. Stroll by the Marmara sea. Return to the hotel.