Expanse [noun]

I looked around at the expanse of dunes below me, their proportions and distances distorted by the harsh sun.

Finally, I looked out my window into a beautiful little valley with what seemed to be the perfect expanse of wetland.

These strikes caused dozens of fires from Santa Cruz to Half Moon Bay, a forested, mountainous expanse, and came to be known as the CZU Lightning Complex fire.

Meanwhile, SkyCool Systems of Mountain View, California, has developed essentially high-tech mirrors that can cast heat into the cold expanses of space, taking advantage of a natural phenomenon known as radiative cooling.

Advocates decry the amount, saying it’s too low compared with the profit SDG&E makes off the vast expanse of electric poles, wires and natural gas lines each year.

When it cleared, the valley was a solid expanse of white, and the stars shone out as if in an Arctic sky.

The expanse, apparently so limitless, open to her view, invited her fancy to a range equally boundless.

Here a palace with low portals extended its ponderous expanse; it was the palace of King Loc.

This in turn will go through its process of retreat until the former expanse of waters disappears.

What more natural term, then, to apply to a spot of land standing alone in the midst of an expanse of water than an eye of land?