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 30% interest in licence PL032 and 40% interest in licence 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 64% interest in PL004A which contains the Isobel / Elaine discovery, a 30% interest in PL004B which contains the Zebedee discovery and a 30% interest in PL004C. In addition, Rockhopper holds operatorship of licences PL005 with a 100% interest, PL003a with a 95.5% interest, and PL003b with a 60.5% interest.

Rochopper became operator of licences PL010-PL16, PL025-PL029 and PL031 in the South and East Falkland Basin in 2017 and holds 100% working interest in each.