Entrance Point is a point marking the south side of Neptunes Bellows, the entrance to Port Foster

Port Foster

Port Foster is one of the safest harbours in Antarctica, located in Deception Island in the South Shetland Islands.The center of Deception Island is a caldera, formed by a gigantic volcanic eruption and later flooded. This has created the 5 miles long, 3 miles wide basin-like harbour of Port Foster...

, Deception Island, in the South Shetland Islands

South Shetland Islands

The South Shetland Islands are a group of Antarctic islands, lying about north of the Antarctic Peninsula, with a total area of . By the Antarctic Treaty of 1959, the Islands' sovereignty is neither recognized nor disputed by the signatories and they are free for use by any signatory for...

. Deception Island was known to sealers in the area as early as 1821. The point was named by the Hydrographic Dept. of the Admiralty following a survey by Lieutenant Commander D.N. Penfold, Royal Navy

Royal Navy

The Royal Navy is the naval warfare service branch of the British Armed Forces. Founded in the 16th century, it is the oldest service branch and is known as the Senior Service...

, in 1948-49.