Blackpool Market and Carboot Sale: First Sunday of every month at the Old Blackpool School. From 8.30am to 12.30pm. More information: (09) 372 9248. Golf Croquet: On the Greens, Mako St, Oneroa, from 2pm. Also on Tues and Thu. Call (09) 372 6003. Waiheke Tennis Club: Onetangi Sports Club tennis courts available for club members 9am-1pm.