Arcadia restaurant & bar is a rooftop bar in Causeway Bay, Hong Kong. It serves Thai-style crab omelette, sea urchin pasta, and the Magic Cocktail 1001 Nights. The venue has indoor and rooftop areas, with live music and free jam sessions on Thursdays. Orders are placed by QR code, and the rooftop has a purple pickleball court for play after a meal.