Insular

Near-synonym: islandic

At the time of the arrival of the Tonquin he had about forty schooners, of from twenty to thirty tons burthen, and one old American ship. With these he held undisputed sway over his insular domains, and carried on intercourse with the chiefs or governors whom he had placed in command of the several islands.

There now is your insular city of the Manhattoes, belted round by wharves as Indian isles by coral reefs—commerce surrounds it with her surf.

Near-synonym: peninsular

During the four years since his puppyhood he had lived the life of a sated aristocrat; he had a fine pride in himself, was even a trifle egotistical, as country gentlemen sometimes become because of their insular situation.

Making Sense of the Sixties used the typical Americanocentric documentary style that avoided a world or historical context for events […] Other countries were mentioned only insofar as they disturbed the insular course of events in the United States.

Harriet was fretful and insular. Miss Abbott was pleasant, and insisted on praising everything: her only regret was that she had no pretty clothes with her.

these insulars in general live in a gross saline air , and their vessels being less elastic are consequently less able to subdue and cast off what their bodies as sponges draw in