Cannabis in Saint Lucia is illegal. Cannabis is the only drug grown locally on Saint Lucia, and meets 20% of the local demand, with the remainder coming from the other Caribbean island, predominantly Jamaica and St vincent, and more developed countries such as the United States. Also, a significant portion is shipped in from countries in south America such as Columbia and Venezuela. 
On March 3, 2020, Cannabis was decriminalized in St. Lucia.
- William R. Brownfield (May 2011). International Narcotics Control Strategy Report: Volume I: Drug and Chemical Control. DIANE Publishing. p. 253. ISBN 978-1-4379-8272-5.
- St. Aimee, Joshua (March 16, 2019). "Cannabis to be decriminalized!". stluciastar.com. St. Lucia STAR. Retrieved May 5, 2019.