Within the water areas, the bays are large, open, and include extensive tidal flats, seagrass meadows, mangroves, and oyster reefs.

The sheltered embayments and extensive tidal flats along the coast support mangroves.

Tourville Bay has a relatively narrow neck and contains extensive intertidal flats and saltmarsh.

The Hudson Plains is also noted for coastal marshes and extensive tidal flats, with tidal marshes along the coast of Hudson Bay.

Darby River is the second major river, with extensive alluvial flats and meanders.

The bridges shifted currents and slowed the flow of the river, and within a decade extensive flats had built up along the shore.

The extensive flats of the Great Bahama Bank lie to the west, northwest and south of Andros.

I was just beginning to despair when I observed a fine large buck at about half a mile distance, cantering easily toward us across an extensive flat of table-land.

The Limestone strata are covered with Acacia startii and binervia shrublands outcrop in the north, where extensive tidal flats in sheltered embayments support Mangal vegetation.