Poseidon Lodge No.1184 was chartered by The Most Worshipful Grand Lodge of A. F. & A. M. of the State of Illinois on October 4, 2024 at the Grand Lodge Annual Communication.

Poseidon Lodge meets on the 4th Saturday of each month at the Jefferson Masonic Temple, located at 5418 W. Gale Street, Chicago, Illinois in Jefferson Park. Public transportation is available via CTA Blue Line and buses, as well as the Metra train.

Meetings start at 9 AM and breakfast is served at 8 AM.