Welcome to 127 Valley Avenue on beautiful Great Diamond Island, a private and peaceful retreat in the heart of Casco Bay. Set on a landscaped 0.28-acre wooded lot, this fully furnished, move-in ready home offers the perfect blend of modern updates and island charm, just a scenic 20-minute ferry ride from Portland. This thoughtfully remodeled 1,267-square-foot home features 2 bedrooms, 2 full bathrooms, a dedicated office, and a versatile bonus room. The updated kitchen showcases granite countertops, all new appliances, and a built-in bar complete with a mini fridge and keg refrigerator, creating an ideal space for entertaining. Enjoy the changing seasons from the enclosed wraparound porch, or cozy up by the propane fireplace on cooler evenings. Extensive improvements include five newly installed heat pumps, upgraded insulation, a new well, a new septic system, and thoughtful storage enhancements. Outside, enjoy beautifully maintained gardens, a self-watering vegetable garden, outdoor shower, hot tub, and additional storage building--perfect for embracing the relaxed island lifestyle. Great Diamond Island offers tranquil beaches, scenic walking paths, two island restaurants, and a relaxed coastal lifestyle just minutes from Portland's shopping, dining, airport, and rail service. Whether you're seeking a seasonal getaway or a nearly year-round island residence, this turnkey property offers an exceptional opportunity to enjoy the best of Maine island living.