Robertson Island
Robertson Island is an ice-covered island, long in a northwest-southeast direction and wide, lying at the east end of the Seal Nunataks off the east coast of the Antarctic Peninsula. Captain Carl Anton Larsen discovered Robertson Island from the "Jason" on December 9, 1893. Curious to find out if the volcano was active he skied to the top from the north side of the island, later naming it Mt. Christensen after his longtime partner and majority owner of the "Jason", Christen Christensen. Larsen named Robertson Island for William Robertson, co-owner of the Hamburg-based company  Woltereck and Robertson. San Roque Refuge. San Roque Refuge () was an Argentine Antarctic refuge located on Robertson Island at the east end of the Foca nunataks off the Nordenskjöld coast east of the Antarctic Peninsula. The shelter was opened on October 1, 1956, and was administered by the Argentine Army. The refuge had been occupied and used in various operations and currently is inactive. It is one of the 18 shelters that are under the responsibility of the Esperanza Base, which is responsible for the maintenance and the care.