Grupo Desportivo Sundy is a football club that is based in the section of Sundy/Sundi in the island of Principe in São Tomé and Príncipe.

[1] Their first three championship finals participation ended with a loss, first to Inter Bom-Bom,[2] then to Bairros Unidos a year later.

[4] On March 6, 2010, Sundy challenged against 6 de Setembro in the national final for the title.

In the 11th minute of the second half, Sundy scored 1–3 including a penalty.

Sundy's champ title totals was shared again with Porto Real with two in 2001 and then Os Operários in 2002 with the most with three, Sundy's title total became second in 2004 and lasted until 2009 when it was shared with Os Operários again as the most titles claimed, that number was later shared with Porto Real in 2014 and Sporting Príncipe for a season in 2016.