Botany Bay is a large, open oceanic embayment and estuary located in Sydney, New South Wales, approximately 13 kilometers south of the city's central business district. It is formed by the confluence of the Georges River and Cooks River, flowing roughly 10 kilometers east before meeting the Tasman Sea. The bay has a total surface area of about 39.6 square kilometers with a substantial catchment area of 55 square kilometers. It is relatively shallow, with an average depth of 11.4 meters, and serves as a major cargo seaport for Sydney. The bay is bordered by the Kamay Botany Bay National Park on its northern and southern headlands, Cape Banks and Cape Solander, and is surrounded by suburbs including La Perouse, Kurnell, Taren Point, Sans Souci, and Kyeemagh. This diverse estuary offers versatile fishing accessible by boat, kayak, and from the shore, making it popular with both serious anglers and families.