Actually, any travel agency with an industry identifier can book you through singlescruise.com Whether they actually will or not is an entirely different matter. Some agents feel they are taking business away, but I see it as simply expanding to a new product line without having to have a full offering set up yourself. Only companies I trust for singles cruises are singlescruises.com and vacationstogo.com(though this is a direct competitor). Princess has some singles cruise offerings for the 40+ crowd(kinda irritating to me since I am a single in my 30s and love Princess Cruise Lines). Plenty of options.