Chigasaki, city, southern Kanagawa ken (prefecture), north-central Honshu, Japan. It is located on Sagami Bay of the Pacific Ocean between Hiratsuka (west) and Kamakura (east).
Originally a small post town, it developed in the late 19th century as a fashionable suburb of the Tokyo-Yokohama metropolitan area. In the northern rural area, garden agriculture (especially strawberries and chrysanthemums) thrives. The city centre is the location of several industries producing electric equipment, chinaware, and processed foods. Pop. (2010) 235,081; (2015) 239,348.