310 Merrick Road High Visibility Retail Center in the Heart of Upscale Rockville Centre. 3,000 - 13,000 SF available space on first floor and lower level. Formerly a Gym, offers an opportunity for many uses. Medical, Fitness, Retail, all as of right. Restaurant. Ample Municiple Parking Direct Rear of Premises. Prime Heart of Village location. High Demographics and Density. Prime Nassau County location.