Massa counts several hamlets (frazioni): Altagnana, Alteta, Antona, Baita, Bargana, Bergiola, Bondano, Borgo del Ponte, Bozzone, Ca' di Cecco, Caglieglia, Campareccia, Canevara, Capaccola, Casania, Casette, Casone, Castagnara, Castagnetola, Castagnola, Cervara, Cinque Vie, Ciremea, Codupino, Cupido, Forno, La Gioconda, Gotara, Gronda, Grondini, Guadine, Le Iare, Lavacchio, Marina di Massa, Mirteto, Monte Pepe, Ortola, Pariana, Partaccia, Pian della Fioba, Poggi, Poggiolo, Poggioletto, il Ponte, Poveromo, Poveromo Macchie, Pratta, Puliche, Quercioli, Redicesi, Remola, Resceto, Ricortola, Rinchiostra, Rocca, Romagnano, Ronchi, San Carlo Terme, San Cristoforo, San Leonardo, San Lorenzo, Santa Lucia, Il Santo, Sei ponti, Turano, Vergheto, Le Villette, Volpigliano, Zecca.

Massa's sights include: Consorzio Apuano Trasporti, also known as CAT, was the company that, since 1 January 1969, managed the local public transport by road in the province of Massa-Carrara.

On 1 February 2015 ATN leased its management branch, vehicles, staff and facilities to CTT Nord until the end of the contract for the local public transport of the Tuscany.

[5] CTT Nord together with VaiBus in 2017 extended its stay as a concessioner of ATN until 31 December 2019, from 1 January 2020 leased its management branch to RATP Dev, a company of the French RATP group, awarding the contract for local public transport by road of the Tuscany Region.

From 1890 to 1932 Massa counted on a railway line from Marina to Forno and, from 1922 to 1975, a monorail serving a marble quarry named Lizza di Piastreta.