THURSDAY Island Pop | MAJU, 188 N. Ferry Road, Shelter Island Heights, 516-946-0676 This new show of painting, sculpture and mixed media opens from 4-7 p.m. with work reflecting independence, community and the American spirit; free. For more info, look here. Grace & Grit Summer Pop Up Series | Chronicle Wines, 2885 Peconic Lane, Peconic, 631-488-0046 On Thursdays from 5-8 p.m., smashburgers and a rotating selection of seasonal dishes are on the menu at this pop up at Chronicle’s tasting room.