Rockhopper is the largest acreage holder in the Falkland Islands, holding interests in the North Falkland Basin and in the South & East Falkland Basin.

In the North Falkland Basin, Rockhopper holds 35% interest in licence PL032 and PL033. These blocks were previously licensed to Shell and are located in water depths of less than 550m. PL032 contains the Sea Lion field, which was discovered by Rockhopper in 2010 and extends into licence PL004.

Also Rockhopper holds a 35% interest in PL004A, which contains the Isobel-Elaine discovery, PL004B, which contains the Zebedee discovery, and PL004C.

Rockhopper became operator of licences PL011, PL012 and PL014 in the South & East Falkland Basin in 2017 and holds 100% working interest in each.