St Vincent and the Grenadines is a member of:

• Caribbean Community (CARICOM) - 1st May, 1974
• Organisation of Caribbean States (OECS) - 18th June, 1981
• Association of Caribbean States (ACS) - 24th July, 1994
• Bolivarian Alliance for the Peoples of our America (ALBA) - 24th June, 2009
• Community of Latin American and Caribbean States (CELAC) - 3rd December, 2011