With the 9 Circular Islands (9 Ilhas Circulares) website, the Portuguese public authorities aim to promote a more sustainable lifestyle on the Azores islands.

It is a collaborative online space for exchanging or selling surplus materials, secondhand items and circular services.

This online marketplace has 525 registered users. It fosters a culture of sharing among community members and facilitates donations, with a focus on supporting those in need. In addition to showing products to buy or sell, the platform offers access to a variety of repair, recycling and upcycling services. It has a section on good practices and a space for promoting companies and entities with a sustainable business model.