Kick off summer and celebrate the long weekend at Offshore Rooftop with live DJs and sweeping Lake Michigan views. MDW Sunday at Offshore Rooftop Kick off summer and celebrate MDW Sunday at Offshore Rooftop with an elevated day party overlooking Lake Michigan. Join us Sunday of Memorial Day Weekend for live DJs spinning all afternoon, setting the tone for the ultimate summer kickoff. Expect house music, a great crowd, and unbeatable panoramic views of the Chicago waterfront and skyline. Whether you're coming to dance, drink, or take in the scenery, this is where you want to spend your long weekend.