The Cleveland Rowing Foundation presents a Grand-Opening Bash, a benefit for Rivergate Park at 6:30 p.m. onsite at Rivergate Park at 1785 Merwin Ave. on the east side of the Cuyahoga River in the Flats. The Bash!, having a Caribbean flair, will feature music by the Ken Greene Steel Band. Catered by Marigold, tickets starting at $150 include cocktails, hors d' oeuvres, dinner, dessert, music, and valet parking. There will be more than 30 raffle and silent auction items: a rowing machine, an introductory flying lesson in a vintage Piper Club Airplane, paintings by Nadia Sainato, a silver necklace with crosses oars and a set of matching earrings and much more.