Robertson Island

{{Short description|Island off the coast of the Antarctic Peninsula}}

{{See also|Robertson Islands}}

{{Use dmy dates|date=April 2022}}

{{Infobox islands

| name = Robertson Island

| image_name =

| image_caption =

| image_map = Robertson Island location in Graham Land, BAT.svg

| image_map_size =

| image_map_caption = Location of Robertson Island

| map = Antarctica

| pushpin_map_caption = Location in Antarctica

| nickname =

| location = Antarctica

| coordinates = {{Coord|65|10|S|59|37|W||display=inline,title}}

| archipelago =

| total_islands =

| major_islands =

| area_km2 =

| length_km = 21

| width_km = 10

| highest_mount =

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| population = Uninhabited

| population_as_of =

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| ethnic_groups =

| country = None

| treaty_system = Antarctic Treaty System

}}

Robertson Island is an ice-covered island, {{convert|21|km|mi|0|abbr=on}} long in a northwest-southeast direction and {{convert|10|km|mi|0|abbr=on}} 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 9 December 1893.{{Cite book| publisher = ABC-CLIO|isbn = 1-57607-422-6| pages = 373| last = Mills| first = William James| title = Exploring Polar Frontiers A Historical Encyclopedia| year = 2003|url=http://www.abc-clio.com/products/overview.aspx?productid=108815}} 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.{{Cite book|last=Yelverton|first=David E.|title=Quest for a phantom strait : the saga of the pioneer Antarctic Peninsula expeditions, 1897-1905|publisher=Guildford|location=New York|year=2004|pages=Intro XII|isbn=0-9548003-0-3|url=http://nla.gov.au/anbd.bib-an26542889}} Larsen named Robertson Island for William Robertson, co-owner of the Hamburg-based company Woltereck & Robertson.