Mareterra takes shape; rainwater tank and construction of retail and parking spaces now underway

Work on Mareterra, Monaco’s new eco-district, continues at pace.  Here we look at some of the latest construction developments at Europe’s most ambitious land reclamation project. 


Work is now underway on building a reservoir at Marettera. This reservoir is being constructed below sea level and will collect rainwater that will be used to water Mareterra’s public spaces. 

La Gazette de Monaco reports: “The idea is then to make a form of temporary enclosure wall in the form of a sheet pile (metal profiles) in order to allow the construction of the concrete tank.” 

“Over the past few days, the site teams have built this enclosure and laid the groundwork for the interior of the structure. They are currently setting up pumping systems in order to “exhaust” the water contained within this right-of-way and will be able to begin construction of the reservoir itself.”

The rainwater reservoir is just one of many sustainable features at Mareterra. Other eco-friendly features will include solar panels, a state-of-the-art geothermal heating system, electric vehicle charging stations and bike stations, smart lighting, and lush natural foliage to encourage wildlife, including biodiversity shelters such as insect hotels and bird nests.


Retail spaces are now beginning to take shape, as well as Mareterra’s network of parking spaces.

The retail spaces form part of the Le Renzo, which includes retail spaces on the ground floor and two levels of parking spaces for Mareterra residents. 

Le Renzo is located on the westernmost edge of the eco-district. Designed by the renowned architectural firm Renzo Piano Building Workshop, this striking building is inspired by the fragmented elements of a ship. 

The building will offer a collection of elegant penthouses, apartments, and retail spaces, many with spectacular sea views.


A team of formwork carpenters have been on site since early this year. 

Formwork carpenters are responsible for installing and repairing temporary frameworks that support a building during the construction process. Formwork carpenters also build the molds, typically made from wood or steel, that retain wet concrete during the development of concrete structures. 

Formwork carpenters are central to a project of the magnitude of Mareterra, and more than a dozen are currently working on the development. 

“Since the beginning of the year, we have poured around a thousand cubic meters of concrete on the superstructure part alone,” Ramiro Ribeiro, a formwork carpenter at Mareterra, says. “Being a formwork carpenter requires a certain know-how. We are in charge of the shoring, the set-up of the formwork, the tightening and a number of operations that ensure the integrity of the building.” 


Mareterra, formerly known as Portier Cove, is a $2.4 billion project which will cover some 27,000 meters squared, further extending the principality’s landmass.  

Scheduled for completion in 2023, Mareterra will include luxury apartments, penthouses, townhouses, and a small number of exceptionally rare waterfront villas, setting a new benchmark for super-prime real estate in Monaco.

To learn more about Mareterra, contact one of our agents today.

Published: 21/04/2021