Kefalonia’s modern infrastructure includes a well equipped hospital in Argostoli, several medical clinics in the major towns, an international airport, 3 major ports and several smaller ones, an intra-town bus service, and several marinas or anchorages equipped to service docking sailboats and yachts.

Most banks are located in Argostoli but there are convenient Automated Teller Machines throughout the island.

Many professionals such as lawyers, and doctors speak English.