Versatile Coastal Living in Historic Castine Discover the perfect blend of flexibility and charm in the heart of historic Castine. Ideally situated steps from the town dock, local inns, and restaurants, this property offers a prime location just a short walk from the town common, post office, and MMA. A Rare Opportunity: Residential or Mixed-Use Whether you are looking for a quintessential, purely residential family home or a property with income-generating potential, this versatile space fits your lifestyle. The property is permitted for both residential and commercial use, allowing you the freedom to maintain it as a spacious, private residence or to utilize the first floor for a professional office, gallery, or boutique business. Enjoy a spacious, well-maintained home featuring three bedrooms and two full baths, with a 1st-floor bath and kitchen that were beautifully renovated in 2018. The property includes a separate 1-bedroom furnished back apartment with new stove in 2023 and separate entrance and porch, offering a fantastic opportunity for year-round, reliable rental income. Alternatively, this space is perfect as a private guest suite or can be integrated into the main living area. Benefit from modern peace of mind with updated electric and plumbing in 2018, a new roof installed in 2024, and two new hot water heaters in 2026. The property also includes a new (2023) oversized detached garage in the rear of the lot, providing extra storage or parking. This property offers truly rare flexibility in an unbeatable location.