Welcome to 19 Old School House Lane, located in the sought-after Hidden Ponds enclave of East Hampton's Northwest Woods. Situated on a serene 1.9-acre lot at the end of a cul-de-sac, this Post Modern residence offers a tranquil park like setting, while being conveniently located near the bay. Boasting an impressive 7500 square feet of glamorous living space, features include 5 bedrooms (including a grand first floor primary suite), 6.1 bathrooms, and multiple entertaining spaces both inside and out. The first floor features a double height great room with fireplace, open eat-in kitchen with breakfast area, den with its own fireplace, and dining area. The luxurious first floor primary suite with separate office/sitting area is fit for a king, and has access to the stunning backyard. A guest bedroom suite, laundry room, powder room, and the oversized three car attached garage complete the ground level. Upstairs, you will find a spacious junior master suite with sitting area and bonus room, plus two additional guest bedroom suites. The lower level offers an additional 2400 square feet with recreation area, gym, full bathroom with sauna, and storage space galore! Outside, the exterior of the property with mature landscaping is equally impressive, creating a picturesque backdrop for outdoor activities and entertaining, while the heated gunite pool and stone patios offer the perfect place to relax and unwind during the summer months. Conveniently located near the villages of East Hampton and Sag Harbor, this exceptional home offers incredible value.