The area was first surveyed described and mapped by Russian mariner Count Fyodor Petrovich Litke during the First Kamchatka Expedition and it was named by Litke in honor of midshipman Peter Avraamovich Chaplin, a member of the expedition.

[1] This headland is located in an area of narrow beach ridges and swales which form a roughly triangular lagoon.

[2] Cape Chaplino was the site of the Yupik village named Ungazik (Chaplino; Unisak on United States Coast and Geodetic Survey charts) which gave its name to the Chaplinski dialect of the Siberian Yupik language.

The cape is shown as "Indian Point" on a USC&GS chart from 1897.

[3] This Chukotka Autonomous Okrug location article is a stub.