Club Nikki, Miami, Florida Miami is home to some of the hottest clubs, but Exec Digital recommends Club Nikki. Located on Ocean Drive this is the party playground for jet setters, celebrities, VIP visitors and guests. Club Nikki features VIP areas so you don't have to mingle with the masses, and includes a champagne bar, and one of the best sounds systems on the Miami strip. www.nikkibeach.com/miami Silk Club, Lisbon, Portugal Heading up one of the two panoramic elevators to the 6th floor of the EspaÁo Chiado, you arrive to spectacular 270 degree views of downtown Lisbon as you enter the two-storey ultra-exclusive club featuring a modern and sleek design. On the second floor you will find the main bar, seating and dancing areas. At Silk, you can further take in the views on the rooftop club by taking the main stairwell or private elevator. This is where Portugal's elite go to play, and access to this club has to be made by reservation. www.virtualclub.es Reina, Istanbul, Turkey Istanbul has long been a global party hub because of its exotic feel ó a blend of European and Middle Eastern influence. Located along the banks of the Bosphorus on the European side of the city, Reina includes several bars, restaurants and dance floors that hold up to 2,500 people. This new club is where celebrities like Uma Thurman, Sting, Salma Hayek, Bryan Ferry and others go to dance to Eastern and European sounds spun by renowned DJ's. The club features a dark dÈcor complete with Swarovski crystal chandeliers and jaw-dropping views of buzzing Istanbul is good for accommodating larger groups looking to party. www.reina.com.tr