K-Slope Marketplace Opened: November 2025 Owner: Brian Kim Previous Tenants: Steve's 9th St Market Cooperative: Key Food Stores Location: 329 9th St, Brooklyn, NY Photographed: December 1, 2025 and February 11, 2024 (Steve's) Supermarket closures often prompt sadness, frustration, nostalgia. Here in Park Slope, the emotion that best describes the reaction to Steve's 9th Street Market closing is outrage . The longtime store -- a CTown that opened in 1998 and was owned by Steven Reifinger -- closed abruptly in September with no apparent explanation. Shortly thereafter, though, a Key Food operator announced they'd signed a lease and the store would reopen as K-Slope Marketplace. K-Slope's soft opening was November 23, and a grand opening is upcoming. At just under 20,000 square feet, Steve's (and now K-Slope) is the largest supermarket in Park Slope. It was also previously a vaudeville theater . Steve's was a pretty normal neighborhood supermarket -- a mai...