The Athelstan Club, formerly The Athelstan Masonic Temple, is a private gentlemen's club in Mobile, Alabama, US, founded in 1873, tracing its roots to a Masonic lodge established in 1870.

"They are made of silk, satin, and brocade or plain cotton, in the Princess shape often having a Watteau plait with capes, large hood called a "bahoo", and wide sleeves.

They are designed to slip over someone's attire easily, and hide it completely.

"[3][4] The domino costume represented intrigue, adventure, conspiracy, and mystery, four elements that were a distinct part of the masquerade atmosphere.

Its clubhouse has held lavish balls, regular daily lunches, monthly dinners, and business & social functions.