Comptoir JOA Lac du Der occupies a modern, convivial setting in Giffaumont-Champaubert with panoramic views of the Der lake. The facility features slot machines (classic and video), electronic blackjack and roulette tables, and traditional poker and boule games. The on-site Comptoir JOA restaurant, helmed by Chef Guy Bouc, serves bistro-style revisited cuisine with menus ranging €15–€25. Amenities include free parking, Wi-Fi, air conditioning, a lakeside terrace, sports broadcasting, and regular spectacles and concerts. Located 1.5 hours from Nancy and Reims, it appeals to families and leisure visitors.