Marathone Nexzone Panvel- Why Should You Think To Buy Home here. Marathon Nexzone is located in Panvel, at Palaspe Phata, Navi Mumbai. It is being developed by Marathon Developers, who have been into Real Estate since the past 46 years. The MahaRERA registration number of the project is P52000001062. Marathon Nexzone Phase 1 comprises of 12 towers including 4 Gold Zone towers of proposed 33 storey each with 2, 2.5 BHK & Combination Apartments.