Maslak je jedna od glavnih poslovnih četvrti u Istanbulu. U direktnoj je konkurenciji sa obližnjim Leventom. Trenutno najviši neboder u Maslaku ima 47 spartova, sa visinom od 202 metra. U toku je izgradnja nebodera koji će biti najvisoćiji kako u Istanbulu, tako i u ostatku Turske, pod imenom Dijamant Istanbula. Sastojat će se od tri centralno povezane kule, od kojih će najviša imati 53 sprata iznad zemlje, sa visinom od 270 metara i tako će nadmašiti trenutno najviši neboder u Istanbulu, izgrađen na Leventu, sa visinom od 261 metra iznad zemlje, 54 sprata.
Maslak is one of the main business districts of Sariyer.. Maslak is in direct competition with the nearby Levent business. At present, the tallest completed skyscraper in Maslak is the 47-floor Spine Tower which reaches a structural height of 202 meters, while the tallest skyscraper currently under construction in Maslak (as well as Istanbul and the rest of Turkey) is the Diamond of Istanbul, which comprises three centrally-connected towers, the tallest of which will have 53 floors above ground and will reach a structural height of 270 meters (thus surpassing the current tallest completed skyscraper in Istanbul, the 54-floor, 261 meters tall Istanbul Sapphire in the nearby Levent business district.)