Kozu Restaurant, at 136 Main Street in Southampton, opened its doors Memorial Day weekend with a party kicking off the summer season. Hamptons regulars and invited guests had a chance to sample the cuisine, sip Mamon vodka and enjoy the music. Kozu is owned by Zach Erdem owner of the popular 75 Main Restaurant. The restaurant features  Japanese cuisine with a Peruvian twist created by chefs hailing from Nobu, Le Bernardin and Morimoto.