NEW YORK CITY — Luxury rental building, 4705 Center Boulevard, has opened to tenants in the Long Island City neighborhood of Queens, New York City. The 30-story glass and steel tower is the second building for EastCoast, a 22-acre waterfront mixed-use project that is being developed by Rockrose Development Corp. Designed by Arquitectonica, the 394-unit building includes traditional studios and two-bedroom apartments, ranging in size from 515 to 1,279 square feet, among its housing options. Amenities include a 10-seat screening room, a fitness center, a club room, a bike room, a year-round indoor swimming pool and a 900-car garage featuring on-site parking. The Rockwell Group designed the amenity spaces. EastCoast will consist of 2.9 million square feet of mixed-use space surrounded by 8 acres of waterfront parkland upon completion in 2012.