Name the Greek gods and heroes who, according to myths, lived in the Euxine Sea on a shining island?

The Euxine Sea (translated from the Greek “Hospitable Sea”), the ancient Greeks, the Greeks called the Black Sea. And the Shining Island is translated from Greek as Leuka or White, the island of the Blessed. According to the data of ancient Greek myths that have come down to us, the island was visited by Zeus, Poseidon, Aphrodite. And also Achilles and Elena the Beautiful celebrated their wedding here.