Mayaro–Rio Claro

Mayaro–Rio Claro is a region of Trinidad. The local government body is Mayaro–Rio Claro Regional Corporation, a Regional Corporation of Trinidad and Tobago. The region has a land area of 852.81 km2. The Mayaro–Rio Claro Regional Corporation is headquartered in Rio Claro. Other towns include Mayaro.

The region possesses many beach front properties and Trinidad's largest reservoir of natural gas and crude oil along its eastern coast. It includes the Ortoire Block, an 184 sqkm resource exploration area where Trinidad's largest onshore natural gas discovery was found in the Ortoire syncline.

Mayaro–Rio Claro Regional Corporation
The Corporation's area of responsibility comprises 39 discrete communities. It has the second largest landmass of any Regional Corporation in Trinidad. The Regional Corporation is governed by the Municipal Corporation's Act No. 8 of 1992 and is one of fourteen such bodies under the Ministry of Local Government. Two of the 41 Trinidadian electoral districts are located in Mayaro–Rio Claro: Mayaro and Moruga/Tableland.