Welcome to 520 W Mermaid Lane, a charming and beautifully maintained home tucked away on an exceptional, picturesque lot in Chestnut Hill. This lovely property is surrounded by lush perennial gardens, mature trees, and thoughtfully designed landscaping. As you enter the two-story foyer, a cozy sitting room with a gas fireplace framed by built-in shelving and an adjacent powder room creates a warm and welcoming space. The sunlit kitchen features a center island with granite countertops, stainless steel appliances, and opens to a bright breakfast room with built-in cabinetry, surrounded by windows offering lovely views of the front gardens. This area also provides convenient access to both the front yard and the rear two-car garage. The adjacent dining room offers glass doors leading to the rear patio and opens to the spacious living room. Filled with natural light from a wall of glass sliders, the living room features an additional gas fireplace and overlooks the serene slate patio and pool. The first floor offers two bedrooms: one with dual closets and direct access to a full hall bath, and a larger bedroom with an en-suite bathroom featuring dual sinks and two closets an exceptional secondary primary suite option. This bath also offers direct access to the backyard, ideal for days spent enjoying the pool. Upstairs, the generous primary suite (or guest suite) includes a large walk-in closet and an en-suite bath with a double vanity, walk-in shower, and separate soaking tub overlooking the backyard. A cozy open sitting area connects to the suite, offering flexible space for work or relaxation. This level also features an additional guest bedroom with pocket doors leading to a walk-in closet, a second-floor laundry room, a full hall bath, and a versatile bonus room that can serve as a playroom, exercise space, or additional bedroom. Additional highlights include an unfinished basement ideal for storage, a home generator, and a backyard designed for easy living. The expansive slate patio with a retractable awning is perfect for al fresco dining and leads to a spacious lounging area beside the in-ground pool. The flat, grassy lot offers rare privacy, bordered by mature trees. Ideally located just minutes from the St. Martins train station, the vibrant shops and restaurants of Chestnut Hill, and the scenic trails of Wissahickon Valley Park, 520 W Mermaid Lane offers a welcoming lifestyle with seamless indoor-outdoor living in one of Philadelphia s most beloved neighborhoods.