Yes. eSIMAdvice currently lists 11 Redsim Greenland plans.
The cheapest Redsim Greenland plan is Global · 193 countries · 1 GB · 7 days · 5G, at $6.64.
Greenland · 30 GB · 10 days · 4G · 3 GB/day then 1 Mbps has the lowest price per GB right now: $2.19/GB ($65.66 in total).
No coupon is applied to these prices right now.