Jarvis Bay Provincial Park is a provincial park in Alberta, Canada, located 4 km (2.5 mi) north from Sylvan Lake and 35 km (22 mi) west from Red Deer, along Highway 20.

The park is situated on the eastern shores of Sylvan Lake, at an elevation of 950 m (3,120 ft) and has a surface of 0.9 km2 (0.35 sq mi).

[4] From 2004 to 2019, Jarvis Bay was among 10 of Alberta's provincial parks that enforced a temporary liquor ban during the Victoria Day long weekend.

[9] The group use areas have campfires, electricity, two picnic shelters, two washrooms, and potable water.

Common butterflies found in the park include Hobomok skipper, Milbert's tortoiseshell, Northern cloudywing, Northwestern fritillary, Canadian tiger swallowtail, and Mourning cloak.

Mammals in the park include American red squirrel, Least chipmunk, Meadow vole, Mule deer, and Moose.