Makes the following changes to the Charter of the Town of Marietta (SL 1985-111).

Amends Section 2.3 of Article II by changing the term for service of the Mayor from a two-year term to a four-year term.

Amends Section 3.1 of Article III to establish that, beginning in 2017, regular municipal elections will be held every four years, instead of every two years, and that the Mayor and four members of Council (was, two members of Council) are to be elected at those elections, as specified. 

Changes the election of Town Council members in Section 3.2 of Article III as follows. Eliminates existing language of Section 3.1 that established staggered terms of Council members. Instead, establishes that the two Council members whose terms expire in 2017 are to be elected to serve four-year terms at the regular municipal election in 2017, and the two Council members whose terms are to expire in 2019 are to continue to serve until 2021. Establishes that in 2021, and quadrennially (was, biennially) thereafter, four members (was, two members) are to be elected as specified.

Changes the election of the Mayor in Section 3.3 of Article III to provide that, at the regular municipal election in 2017, and quadrennially (was, biennially) thereafter, a Mayor is to be elected to serve a four-year term (was, two-year term), as specified.