Yes. eSIMAdvice currently lists 15 Redsim Belize plans.
The lowest displayed Redsim Belize plan is Global · 193 countries · 1 GB · 7 days · 5G, at $6.64.
Global · 193 countries · 20 GB · 30 days · 5G is the current best-value match by displayed price per GB: $2.70/GB ($53.99 in total).
Current prices are shown without an additional listed discount.