The pebble beaches of Coll Baix, Sa Calobra and Cala Tuent (Tramuntana, Mallorca) are presented as three different systems compared with the strictly coastal sandy ones and can also perform a comparative analysis between them about distinct factors and processes involved in its various evolutions. Also with its particular location, and making a particle textural analysis, several conclusions can be derived from these individual environments, especially facing what are the most modeller agents involved.