Dubai Marina (United arab emirates) – the largest man-made marina in the world. Dubai Marina – is a district in the heart of what has become known as New Dubai. Dubai Marina is a canal city carved along a 3 km stretch of Persian Gulf shoreline. Infinity Tower is a skyscraper under construction by Palma Real Estate in Dubai, United Arab Emirates. The project resumed construction in July 2008 after a delay caused by the collapse of a nearby wall and subsequent flooding of the construction site.