This $50.00 Maine's Best Deal Certificate is good towards anything on the menu   at rBAR & Kitchen at DoubleTree by Hilton in South Portland. This $50. certificate is good  3pm-10pm daily. Their dinner menu offers crave-worthy favorites like their signature smash burger, a stacked brisket melt, fresh seafood, and so much more. Relax at the bar lounge offering a selection of local brews, wines or specialty cocktails. Limit one certificate per visit, per table and cannot be redeemed for cash back, combined with any other offers or applied toward gratuity.