Reeth Bay is a small curved bay on the southernmost tip of the Isle of Wight, England.

It lies to the south of the village of Niton with a 1⁄4-mile-long (0.4 km) shoreline.

[1] It faces south out into the English Channel and lies to the east of St. Catherine's Point lighthouse.

[3] The bay used to be a popular tourist destination and had bathing machines during the Victorian era.

[2] There also used to be an east-facing slip at Puckaster for fishing boats.