Rare Grosvenor Street offering! First time ever on the market, this classic 1924 two-storey home is located just one block from the sandy Southampton beach on a deep 51' x 165' lot. Combining original charm with essential updates-including replacement windows, updated electrical, forced-air gas, and central A/C, the layout features a bright living space, welcoming front porch, and a generous family room addition. Enjoy summer days on the deck overlooking the oversized backyard, perfect for family gatherings. The substantial lot depth creates incredible potential to expand or design your dream lakeside retreat. Don't miss this opportunity to secure an iconic Southampton address in a location where land is rarely available.