Proposta per les Illes (Catalan for "Proposal for the Islands"), or simply El Pi (pi means pine in Catalan), is a liberal Balearic autonomist political party, formed in November 2012 from the merger of several nationalist and regionalist parties: Convergència per les Illes (the successor of the Majorcan Union), the Lliga Regionalista de les Illes Balears, the Menorcan Union and Es Nou Partit.

As the merger of parties from Mallorca, Menorca and Ibiza, el PI has elected representatives on each of these three islands, including 6 mayors and 82 councillors in 34 municipalities.

[8] While accepting the need to eventually reduce the deficits in public spending, el Pi has issued a statement critical of the Balearic government's announced intention to raise new taxes.

In the 2019 European Parliament election in Spain, PI joined the Coalition for a Solidary Europe electoral list (El Pi-Proposta per les Illes Balears-Coalición por una Europa Solidaria,[10] CEUS) with other regionalist parties.

María del Mar Llaneras Pascual was the top PI representative in the list, in the 5th position.