[1] The bay, approximately 20 miles (32 km) long, heads at the mouth of the Trinity River.

[2] Trinity Bay fronts on the vast network of Chambers County marshes and prairie land.

Closer to the San Jacinto river lies the community of Beach City.

[3] On February 23, 2019, Atlas Air Flight 3591 crashed into Trinity Bay, and all three people (two crew members and one passenger) aboard the flight were killed as a result.

This article about a location in Chambers County, Texas is a stub.