Sushi. Self-proclaimed "Freestyle Sushi," Mas Sake is a hip, San Francisco-influenced sushi restaurant. This Marina hot spot is known for its hip music and good-looking staff as well as for its inventive sushi. Mas Sake also hosts a full service bar providing an excellent selection of sake and cocktails. Part full-bar with an eclectic rotating DJ scene, part adventurous and stylish sushi restaurant; Mas Sake is for the young and the bold.