MAREA

MAREA is a 6,605 km (4,104 miles) long transatlantic communications cable connecting the United States with Spain. It is owned and funded by Microsoft and Facebook, but constructed and operated by Telxius, a subsidiary of the Spanish telecom company Telefónica. As of 2019 it was the "highest-capacity submarine cable in the world" with a system design capacity of 200 terabits per second.