Barnes presents an exclusive new-build duplex on the seafront of Ondarreta Beach, located in the elegant Itsas Aize villa on Avenida Satrústegui. This project combines a privileged location with natural light, contemporary design and high-quality materials.With 131m2 built , distributed between the second floor and the attic level, the property offers spectacular frontal sea views. The main floor features a living-dining area with an open-plan kitchen, 1 en-suite bedroom with its 1 full bathroom, and 1 guest toilet, as well as an 11m2 terrace overlooking the bay. The upper floor includes 2 double bedrooms, 1 full bathroom, a laundry area and a second private 9m2 terrace.The building, with only three residences, guarantees privacy and exclusivity. The communal areas on the ground floor include a 58m2 heated indoor swimming pool, a gym, sauna and changing rooms, for the exclusive use of residents.The construction incorporates top-quality materials, thermal and acoustic insulation, an A energy rating, aluminium joinery with triple glazing, zoned underfloor heating, pre-installation for ducted air conditioning and a home automation system. Kitchens and bathrooms will be delivered fully equipped and with customisable finishes.The location is exceptional: directly on the Ondarreta seafront and in the heart of the Antiguo neighbourhood, surrounded by shops, supermarkets, a health centre, schools, public transport and the Real Club de Tenis de San Sebastián.A unique opportunity to enjoy luxury and tranquillity by the sea in one of San Sebastián’s most prestigious areas.