Seaside A.F.C. are a Welsh football club from Llanelli, Carmarthenshire in West Wales. They currently play in the West Wales Premier League.

The club has been one of the most successful teams in the Carmarthenshire League, having been champions of the top division twelve times.^[1]

• Carmarthenshire League Premier Division (Tier 1 of Carmarthenshire League) - Champions (12): 2002–03; 2003–04; 2004–05; 2007–08; 2008–09; 2009–10; 2010–11; 2011–12; 2012–13; 2013–14; 2015–16; 2023–24
• Carmarthenshire League Division One (Tier 2) - Champions (1): 1994–95
• Carmarthenshire League Division Two (Tier 2) - Champions (1): 1956–57
• Carmarthenshire League Division Three (Tier 4) - Champions (1): 2015–16 (reserves)
• Carmarthenshire Senior Cup - Winners (8): 2001–02; 2004–05; 2011–12; 2012–13; 2014–15; 2016–17;^[2] 2022–23; 2023–24
• Carmarthenshire League T G Davies Cup - Winners (6): 1981–82; 1993–94; 2003–04; 2004–05; 2009–10; 2010–11
• Carmarthenshire League Challenge Cup - Winners (1): 1997–98
• Carmarthenshire League Darch Cup - Winners (1): 2002–03;
• Carmarthenshire League Morris Cup - Winners (4): 2011–12; 2012–13; 2013–14; 2015–16 (reserves)
• Carmarthenshire League J Stephens Cup - Winners (1): 2011–12
• West Wales Intermediate Challenge Cup – Winners (2): 2002–03; 2007–08
• West Wales Intermediate Challenge Cup – Runners-Up: 2013–14

• Official club Twitter
• Official club Facebook