On the Maurice Bishop Highway is CK Cash & Carry. It sells at retail prices but you can get some great quantities and additional choices to downtown. No fruit and veg though.
And next door is a Chinese Restaurant which serves dishes that have an acceptable level of chilli in them and you can have dinner for about $7 USD a head.
On the way we met our French neighbours Pierre and Marcella with Gofie who rides on the bow of the tender