How many goddesses did posiedon marry?

Poseidon, the Greek god of the sea, is often associated with various goddesses, but he is primarily known to have married Amphitrite, a sea goddess and one of the Nereids. While he had numerous affairs with other deities and mortal women, Amphitrite is considered his main consort. Thus, in terms of formal marriage, Poseidon is typically recognized as having one wife, Amphitrite.