Exceptional 3-bedroom Back Bay duplex on the waterside of Beacon with captivating views of the Charles River. Completely renovated in 2022, this rare find offers a spectacular oversized living/dining room on the main level, with a ventless gas fireplace, custom built-ins, a dry bar, and a marble powder room. The kitchen is a chef's dream, featuring brand-new Wolf and Sub-Zero appliances, a gas cooktop, heated floors, quartz countertops, and custom cabinetry. Take in the beautiful river views from the private deck off the kitchen. The lower level boasts 3 bedrooms, including the primary bedroom with two walk-in closets and an ensuite bathroom with heated floors. An additional full bathroom, in-unit washer and dryer, and bonus interior room designed as a Peloton studio complete this level. This residence also includes one direct access parking space that leads to the private rear patio entry. Additional features include hardwood floors throughout, a brand-new high-efficiency HVAC system, and all-new electric with Leviton Smart Home technology. Once home to the Spanish Consulate, this boutique building is within blocks of Newbury Street, and Beacon Hill, and steps away from the walking and biking paths along the Charles River.