Where Freshness is a Specialty. Dover Straits Restaurant and Seafood House in Mundelein and Hoffman Estates. Since 1978, Dover Straits has proudly offered the finest selection of fresh seafood and exquisite service. Famous for its extensive menu of seafood flown in daily, Dover Straits also offers premium steaks, pasta dishes and other fine selections for the most discerning diner. Banquet Halls Chicago The Straits of Dover from which the name has been proudly adopted reflects the extensive selection of fine seafood. The channel, located between Europe and France has the most ideal temperatures for all types of fish.