Australia is the only island continent between the south Pacific and Indian oceans. It is also the only continent that is also a country.
The Indonesian archipelago is entirely located on the Eurasion tectonic plate, so would be considered to be a part of Asia.
Australia
You are referring to Australia. Oceania is the same thing, but includes all of the islands between North America and Japan.
In the Gulf of Mexico between North and South America. They are in the Continent of North America.
North America has the arctic archipegalo in northern canada. There are quite a few islands in the archipegalo. Some organize indonesia as a part of the oceania continent or the continent of australia. This large group of islands would make the oceeania or australia have many islands. Although some categorize these islands as a part of asia.
An island is a landmass that is completely surrounded by water, while a continent is a large landmass that is part of a continuous and contiguous landmass. Continents are larger in size compared to islands and are typically connected to other landmasses.
The Cayman Islands are in North America.
Africa
The Caribbean islands are located in North America.
North America
The island of New Guinea lies directly north of Australia, and has many dense forests.
North America is definitely not the smallest continent. The smallest continent is Australia.
No Samoa is an Island between the North American mainland and the Australian Continent.