Welcome to 306 Sandcastle Lane, where this 4 bedroom, 2.5 bath Main Line home nestled in a highly desirable Bryn Mawr neighborhood is waiting for you personal touches and updating to make it your own. Situated high up on a serene cul-de-sac, boasting an impressive 3/4-acre lot, to provide the perfect combination of privacy and class. As you step inside, you'll immediately appreciate the spacious, floor plan, accentuated by hardwood flooring and large windows that flood the space with natural light. The expansive living room flows into the family room, where you can cozy up by the charming brick-accented wood-burning fireplace. Sliding doors provide access to the picturesque patio, perfect for al fresco dining and enjoying the tranquil outdoor setting. The kitchen features a generous space, ample cabinetry, and an adjacent dining area. A separate formal dining room, laundry room, and powder room complete the main level. The upper floor, is where you'll find a primary suite with a spacious walk-in closet and ensuite bath. Two additional generous bedrooms, a versatile fourth bedroom ideal for a home office or nursery, and a full hall bath finish the second-floor layout. Looking for additional space? The finished basement offers endless possibilities for a game room, workout area, or extra entertainment space, ensuring this 4,000+ sq. ft. home accommodates every lifestyle. Award-winning Radnor School District. Don't miss an opportunity to live in one of the area's most sought-after towns, with easy access to an exceptional library and a quaint downtown that includes the Bryn Mawr Farmers Market & Bryn Mawr Film Institute, the express train to Philadelphia, and the entire Main Line right at your fingertips. Proximity to prestigious schools and World-class shopping, restaurants, theatres, parks, public transportation, and commuter roads. Make this beautiful home your very own!