A rare gem in St. Augustine's highly coveted Abbott Tract, this circa-1900 residence captures the timeless allure of historic downtown living with the ease of modern updates. Beautifully preserved and thoughtfully enhanced, the property offers a sparkling blue lap pool surrounded by tropical foliage, the 2-bedroom, 2-bath main home along with a detached 1-bedroom, 1-bath guest suite featuring a private entrance and kitchenette--ideal for elegant guest accommodations, multigenerational living, or premium short-term rental income. Rich hardwood flooring, historic architectural details, and an undeniable sense of character define the interiors, while the open-concept rear living area creates a seamless setting for relaxed living and entertaining. The two bedrooms are gracefully situated at the front of the home, each with en-suite bath access, with one bath also conveniently serving visitors from the main hall. The kitchen is a perfect blend of style and function, featuring stainless steel appliances, ample prep space, and a breakfast bar that invites casual dining and conversation. Glass sliders off the living room open to a screened-in porch overlooking a serene backyard retreat, complete with a private pool--ideal for unwinding under the Florida sun. The detached guest suite offers flexibility and privacy, featuring a full bedroom and bath, along with a kitchenette to accommodate long or short stays. An extended driveway allows for rare off-street parking for two or more vehicles--a highly sought-after amenity in the historic district. Perfectly situated, this residence is just blocks from St. Augustine's most iconic landmarks, including the Castillo de San Marcos and the Mission Nombre de Dios. A short walk takes you to the waterfront at the end of Locust Street, where you can launch a kayak and explore the tranquil waters of Matanzas Bay. Zoned RS-2, the property also allows for weekly short-term rentals, further enhancing its value as both a personal retreat and a savvy investment. Offering historic charm, premium location, and modern livability, this is your opportunity to own a piece of St. Augustine's enduring legacy--an exceptional lifestyle awaits.