Yes. eSIMAdvice currently lists 12 Breeze Guam plans.
The cheapest Breeze Guam plan is Guam · 1 GB · 7 days · 5G, at $10.49.
Guam · 20 GB · 30 days · 5G has the lowest price per GB right now: $6.15/GB ($122.99 in total).
No coupon is applied to these prices right now.