Yes. eSIMAdvice currently lists 13 Breeze Saint Lucia plans.
The cheapest Breeze Saint Lucia plan is Saint Lucia · 1 GB · 7 days · 5G, at $8.99.
Saint Lucia · 50 GB · 45 days · 5G has the lowest price per GB right now: $3.99/GB ($199.49 in total).
No coupon is applied to these prices right now.