The nearest airports are in Rome about 70 km from Tarquinia , Pisa about 60 km from Cecina and Florence about 80 km from Grosseto.
The major towns on the coast Tarquinia, Capalbio, Orbetello, Grosseto and Cecina are on the main railway line from Rome to Pisa. Trains stop less frequently in smaller towns and villages. For information on train schedules and tickets, see the website of Trenitalia.
The Via Aurelia motorway E80/SS1 connects all major towns between Rome and Pisa. The E78 connects Grosseto to Siena.