For sale under construction 6th-7th maisonette, 155.2 sqm, in a luxury building complex in Kallithea, next to Onassis and the Stavros Niarchos Foundation, with direct access to the beach and the marina of Kallithea. It consists of 3 bedrooms (1 master with en suite bathroom), 3 bathrooms, 1 office, fireplace and large balcony 48.2 sq.m. The heating is underfloor with photovoltaic alarm systems. It also has built-in “smart” home technology with KNX architecture. It also has a separate warehouse and parking space with installation of electric vehicle charging infrastructure. The apartment is constructed meeting the strictest standards of safety and energy savings. Construction began in September 2021. Price 487,000 euros.