Oatley Bay is a bay

Bay

A bay is an area of water mostly surrounded by land. Bays generally have calmer waters than the surrounding sea, due to the surrounding land blocking some waves and often reducing winds. Bays also exist as an inlet in a lake or pond. A large bay may be called a gulf, a sea, a sound, or a bight...

 located in the Municipality of Kogarah

Municipality of Kogarah

The Municipality of Kogarah is a Local Government Area in southern Sydney, in the state of New South Wales, Australia. The centre of the municipality is located 14km SSW of the Sydney central business district and west of Botany Bay....

, surrounded by the suburbs of Oatley, Hurstville Grove and Connells Point. The bay is part of the Georges River

Georges River

The Georges River is a waterway in the state of New South Wales in Australia. It rises to the south-west of Sydney near the coal mining town of Appin, and then flows north past Campbelltown, roughly parallel to the Main South Railway...

 waterway. It is popular for boating, fishing, picnicking and bush walking, and is surrounded by multi-million dollar waterfront properties. It also has the largest number of plants and animals in the Municipality of Kogarah protected in its reserves/parks, which include: Poulton Park, Oatley Point Reserve

Oatley Point Reserve

Oatley Point Reserve is a reserve located in the Sydney suburb of Oatley.-Features:Oatley Point Reserve has the following features:*Panoramic views of Georges River and Oatley Bay....

, Oatley Pleasure Grounds

Oatley Pleasure Grounds

Oatley Pleasure Grounds is a fairly hilly bush park located in Oatley, New South Wales. It is 3.4 hectares and is known for being a very relaxing spot- great for picnics.-Features:Oatley Pleasure Grounds has the following features:...

 and Moore Reserve.

Two waterways flow either side of Hurstville Grove into Oatley Bay. One is the Municipality of Kogarah's last remaining natural creek which flows through Poulton Park; the other is channeled underground through Moore Reserve.

Oatley Bay also has one of the largest areas of mangroves in the Georges River, found on the eastern shore at Poulton Park.

The bay has a shallow depth, averaging about 1.5 metres, and is the end point for all run-off from the approximately 468-504 hectare

Hectare

The hectare is a metric unit of area defined as 10,000 square metres , and primarily used in the measurement of land. In 1795, when the metric system was introduced, the are was defined as being 100 square metres and the hectare was thus 100 ares or 1/100 km2...

 Oatley Bay catchment, which has mild to steep slopes, averaging about 3.3%.

Oatley Bay Boat Ramp

One way of accessing Oatley Bay by boat is through Oatley Bay Boat Ramp. The boat ramp is in good quality and has 3 lanes- with the water depth at the ramp able to handle most boats. On one side of the ramp there is a small beach and on the other side there is a jetty

Pier

A pier is a raised structure, including bridge and building supports and walkways, over water, typically supported by widely spread piles or pillars...

. There are also toilets near the top of the ramp site and parking facilities for over 35 trailers.