A member of the centre-right Social Democratic Party (PSD), she was elected to the Assembly of the Republic in January 2022, as a representative of the Madeira constituency.

From April 2015 to July 2017, she was president of the General Assembly of BICs in Portugal, known as the Associação dos Centros de Empresa e Inovação.

In January 2020, she was appointed deputy regional director for Parliamentary Affairs, External Relations and Coordination in the Madeiran parliament.

Nationally, the PSD performed poorly and the Socialist Party of prime minister António Costa secured an overall majority.

[5][6][7] In April 2024 it was announced that Joaquim Miranda Sarmento, the new Minister of Finance following the 2024 national election in which the PSD emerged as the largest party, would appoint Dantas as his deputy.