If you only have 2-3 hours to spend in Felixstowe, here are some suggestions:
Learn about the local history of Felixstowe at the Felixstowe Museum. It takes approximately 1 hour to visit.
Take a stroll along Felixstowe's seafront and enjoy the views. This can range from 30 minutes to an hour depending on how far you walk.
Discover the history of the Landguard Fort which dates back to the 18th century. This visit will take around an hour.
Do you like golf? Visit the Felixstowe Ferry Golf Club for a round of golf. This activity will take around 2-3 hours depending on how long you decide to play.
There are plenty of things to do in Felixstowe to keep you busy for a few hours. Choose the ones that interest you the most and make the most out of your visit!