Merion Riverwalk Is Apartment Living At Its Best. Designed to take your lifestyle to new heights, our one- and two-bedroom apartments in Shelton, CT, feature expertly designed floor plans. Merion Riverwalk offers urban comfort and style, not just in the layouts, but also through its attractive amenities and well-connected location. Explore everything that makes our pet-friendly community unique, then come home to a space that's designed with your relaxation in mind.