Casas del XVI Santo Domingo is quietly becoming a magnet for intrepid travelers to the Caribbean drawn to the Colonial Zone, the oldest city in the new world. The 500-year-old city is filled with art galleries, cafes, up-and-coming eateries and some seriously cool boutique hotels, none more intoxicating than this, a mix of luxury “casas” and traditional rooms in the heart of centuries-old buildings in the old city.