Penang Port is unique, as it is the only port operator in Malaysia that operates ferry services linking between Georgetown (Raja Tun Uda Ferry Terminal) and Butterworth on the mainland (Sultan Abdul Halim Ferry Terminal).

Penang Port operates a fleet of four ferries maximum during peak hours with 20-30 minutes interval from 5.20 am to 10.00p.m and one ferry from 10.00 pm to 1.00a.m with an arrival interval of 1 hour.