Smirnoff is available everywhere, no problem there.
For the best selection, go downtown. Value Master is right at the roundabout and is owned by HiLo.
A 3 minute walk away is Icon, the Green Store, which probably has the best selection.
A minute from there in the beautifully remodeled Sunshine Village Plaza is the Country Store. I picked up a High Noon? Seltzer there. So they have a good selection too.