Hawaii Aqua-Aston Hospitality launches 24-hour call center in Hawaii By Shane Nelson / May 20, 2016 Share 1 Penthouse accommodations at the Aston Waikiki Beachside Hotel. -- Aqua-Aston Hospitality, a Honolulu-based hotel and resort management firm, has opened a new 24-hour call center in Hawaii. The new facility is the only hospitality company call center to be based entirely within the Aloha State, according to Aqua-Aston officials. “Travelers and agents who call the newly launched central reservations office will not only receive personalized recommendations for activities and the hotel that will best suit their needs, but they will also have exclusive access to lesser-known penthouse accommodations at select hotels in Waikiki ... that are only available through the call center,” Aqua-Aston officials said in a May 19 release. Some of the Waikiki properties featuring the penthouse accommodations include the Lotus Honolulu at Diamond Head, the Aston Waikiki Beach Tower, the Aston Waikiki Beachside Hotel, the Aqua Bamboo Waikiki and the Ewa Hotel Waikiki. Travel agents and guests can connect with the new call center at 1-855-945-409Aqua-Aston Hospitality manages nearly 50 properties across Hawaii and on the U.S. mainland.