shoreless

[ shawr-lis, shohr- ]

/ ˈʃɔr lɪs, ˈʃoʊr- /

limitless; boundless.

without a shore or beach suitable for landing: a shoreless island.

Origin of shoreless

First recorded in 1620–30; shore¹ + -less

And then slowly the splendour ebbs, lingering only to the west in a shoreless, magical sea.

The African Colony |John Buchan
Oswald Langdon as dissolved dewdrop in shoreless sea were too vague.

Oswald Langdon |Carson Jay Lee
All at once it seemed as if some one called me by my name, and with a mighty hand dragged me from that icy, shoreless sea.

Blackwood's Edinburgh Magazine, Vol. 53, No. 331, May, 1843 |Various
He bowed his head and prayed fervently for the welfare of the soul about to be launched upon the shoreless waters of eternity.

The Bride of the Tomb and Queenie's Terrible Secret |Mrs. Alexander McVeigh Miller

Would they look upon a shoreless expanse of water or would the irregular tree-line of some unknown shore greet them?

The Cruise of the O Moo |Roy J. Snell

shoreless

/ (ˈʃɔːlɪs) /

without a shore suitable for landing

poetic boundless; vast the shoreless wastes