Rehoboth Beach Convention Center, 229 Rehoboth Ave, Rehoboth Beach. Polkamotion by the Ocean returns to Rehoboth Beach as we celebrate our 40th anniversary! Enjoy the best in live polka music by the nation’s top polka banks, authentic Polish food, and all your favorite libations in the air conditioned Convention Center. The beach, boardwalk, great bars & restaurants, tax-free shopping, and convenient lodging all await you! Check out our site for the daily schedule. www.polkamotion.com