Greek charter operator Summer Sail decided to become MMK Silver Partner and use Booking Manager as primary booking system to easily manage office administration and achieve worldwide visibility. Booking Manager enables Summer Sail to promote their 2 Oceanis 43 sailing yachts, bookable in real time from Lavrion and Lefkas. In addition to benefits of increased promotion, Silver membership guarantees all agencies that booking with Summer Sail through the Booking Manager distribution network is secure.