The bay was once land locked before a canal was dug into the sandbar to allow vessels to serve what was then referred to as Port Liverpool in 1843.
[2] The area around the Frenchman's Bay was settled in 1837 with saw mill opened by Tripp family.
Grain mills were later opened with wharf located on the north end.
[2] In 1853 Pickering Harbour Company was incorporated and continues to control water lots on the east side today.
Today the east end is home to Frenchmans Bay Marina, residential homes (including newer townhouses along Liverpool Road) Slightly east of the bay is Pickering Nuclear Generating Station, while west side is home to Pickering Bay Yacht Club, Frenchman's Bay Canoe Club.