Earlier versions featured neon lighting; the pre-2005 sign contained 5,878 glass tubes with a total length of more than 5 miles (8.0 km).

[3] The Citgo sign is known nationally for appearing above the Green Monster during televised games of the Boston Red Sox at Fenway Park.

McDermott also suggested draping an American flag or Boston Red Sox banner over the sign until Chávez was out of office.

[7] In October 2016, The Boston Globe reported that local developer Related Beal purchased the building on which the sign sits as part of a $140 million, nine-building deal.

[12] Walsh's veto was coincident with an agreement between Citgo and Beal on a lease that will allow the sign to remain in place for another 30 years.

[13] A total of ten participants from Boston, New York, and Vermont chapters of the group were arrested on charges of trespassing and disturbing the peace after the banner was brought down.

The Double-A Astros affiliate Corpus Christi Hooks have a 50-foot (15 m) square replica of the sign at their ballpark, Whataburger Field.

[14] The association with Fenway Park and the Red Sox is so strong that some local Little League fields often are decorated with replicas of the Citgo sign.