We have 4yr old twins and a 2yr old and money is always tight! So I thought I would share this:
We went on holiday last year to the Isle of Wight which is a great place with young children (no flights etc) - When the sun is out it has nice beaches and stunning scenery, it real does feel like you are going abroad. To help save some money we got an Isle of Wight Tourist Card (www.iowtouristcard.com) and will do again this year - we saved money on our ferry crossing, our accommodation and on the odd occasion when we ate out.