Come cool off and take a dip in the Brooklyn Bridge Park Pop-Up Pool. The pool's size is 30' by 50' feet and 3.5 feet deep, an ideal depth for children. The pool will be open for 45 minute sessions every hour on the hour starting June 29. Guests can relax at the sand beach or get refreshments at the Lizzmonade Brooklyn concession. Starting in July, the park will offer moderately priced swimming lessons during the morning. All ages.