The Metals Company (TMC), sponsored by the Republic of Nauru, has made public its intention to be the first company to exploit polymetallic nodules, which contain minerals needed for electric batteries, from the deep ocean’s seabed. Nongovernmental organizations and national governments have objected to these proposed actions, with many calling for an outright ban. This Article offers a case study evaluating the parties’ respective claims in favor of, and in opposition to, permitting the proposed mining activities under the current legal framework.