Mare Serenitatis

Mare Serenitatis
Photograph of Mare Serenitatis
Coordinates28°00′N 17°30′E / 28.0°N 17.5°E / 28.0; 17.5
Diameter674 km (419 mi)
EponymSea of Serenity

Mare Serenitatis /sɪˌrɛnɪˈttɪs/ (Latin serēnitātis, the "Sea of Serenity") is a lunar mare located to the east of Mare Imbrium on the Moon. Its diameter is 674 km (419 mi).