Bayley Island is one of the West Wellesley Islands, on the eastern side of the Gulf of Carpentaria, Queensland, Australia.

It is within the Shire of Mornington.

[2] The island is located 2.72 kilometres (1.69 mi) northwest of the mainland, and less than 1 kilometre (0.62 mi) south of Pains Island.

Bayley Point lies opposite the island on the mainland.

[3]