The Ingleside Cove Wildlife Sanctuary is composed of an area in San Patricio and Nueces counties described as follows:
BEGINNING at Kinney Bayou on the east shoreline of Ingleside Cove, also known as North Shore Channel (N 27 50.791, W 97 13.577);
THENCE, in a northwesterly direction along the shoreline to the channel marker at the location commonly known as Donnel Point (N 27 51.593, W 97 14.505);
THENCE, due northwest crossing the Reynolds Channel to the east side of a spoil bank (N 27 51.668, W 97 14.715);
THENCE, following the eastern edge of this spoil bank in a southeasterly direction to its southernmost point (N 27 50.328, W 97 14.302), continuing southeast crossing Ingleside Cut to the north shore of Ingleside Point (N 27 50.231, W 97 14.197);
THENCE, in an easterly and southeasterly direction along the east shoreline following the Reynolds Channel through Ingleside Point to the southernmost portion of this cut (N 27 49.782, W 97 13.782);
THENCE, due east across the Reynolds Channel to the west shoreline of the mainland known as the southernmost portion of Ingleside Cove (N 27 49.834, W 97 13.641);
THENCE, following the shoreline in a northerly direction being the east shoreline of Ingleside Cove to the point of beginning.