Check out Francis's hometown of Felixstowe. Take a dip in the sea, have an ice cream on the beach or spend some money in the arcades at the pier. If you are going for lunch, head to the Fludyers Hotel on the seafront http://www.thefludyers.co.uk/
Check out the world famous Jam factory and museum, then indulge in some proper cream teas.
Head over to Mersea Island where you can grab some fresh Oysters, sea breeze and a bit of nature. A few good places to lunch here, check some of the below: http://www.visitmerseaisland.co.uk/blog/where-to-eat/
Explore the typical Suffolk countryside where John Constable created his famous paintings. A bit of culture for you all!