no
There is no notably large island southwest of Africa, however, there is Madagascar to the southeast.
To the southeast and southwest of the mainland, lie the Andaman and Nicobar Islands and the Lakshadweed islands in Bay of Bengal and Arabian Sea respectively.
There are several small islands south/southwest of Tokyo that are considered part of the Tokyo metropolis, referred to as the Izu Islands. The furthest island is Aogashima Island and is 358.4 km south of mainland Tokyo.
Aleutian Islands are chain of volcanic islands that separate the Bering Sea (north) from the main portion of the Pacific Ocean (south) southwest of Alaska
The country that is furthest southwest in South America is Tierra del Fuego. Tierra del Fuego is at the southernmost tip of the South American country.
Kavaratti is the capital of India's Union Territory of Lakshadweep, which consists of a group of islands off the southwest coast of mainland India.
The purpose of the barrier islands to Georgia's mainland is the barrier islands protect the mainland from wearing away from the ocean over time.
The Alaska Peninsula is the farthest south peninsula in Alaska. It extends southwest from mainland and ends in Aleutian Islands about 800 km.
The two regions in Italy that are islands are Sicily and Sardinia. Sicily, the largest island in the Mediterranean Sea, is located to the southwest of the Italian mainland, while Sardinia is situated to the west of the mainland, north of Sicily. Both regions have distinct cultures, histories, and landscapes that contribute to their unique identities within Italy.
* They are Barrier Islands
bridges and ferries
The Caribbean in actuallity is a group of islands and mainland territories.