Calissa features a menu focused on seafood and traditional Greek dishes such as salt baked fish, seafood pasta, and mezze.  Calissa's wine list has been awarded The Award of Excellence from Wine Spectator and boasts the largest selection of rosé in the Hamptons.  

Open year round, Calissa is one of the premiere event spaces in Southampton, offering private dining spaces for groups from 10 to 300 people.  Its annual music series, Calissa Sounds, includes names such as Wyclef Jean, Jax Jones, Questlove, and Fat Joe.