CEDAR RAPIDS — After 77 years in business, Boston Fish Seafood Market and Restaurant is closing.The restaurant, 804 Fifth St. SE in downtown Cedar Rapids, will close on May 30, manager Leonore Zoll said.She has been running the restaurant since her aunt Suzette Zoll died in September 2017. Suzette and her husband, Joseph, purchased the business in 1992.Leonore Zoll said the building has been for sale for about five years, and though the family knew the sale would happen eventually, it still felt like a shock when it came.Since she posted about the upcoming closure on the restaurant’s Facebook page, people have been coming in to share their remembrances of the eatery.“It’s sad, but it will live on in memory,” she said.