The Fleet Lagoon is an area of water that is behind Chesil Beach. It connects to the sea in Portland Harbour at Ferrybridge.
The Fleet lagoon was formed when Chesil Beach moved onshore as the sea levels rose. In the past it was much larger than it is today. The Fleet is 13.1 km (8.2 miles) long and covers an area of 480 hectares.
The Dorset South Coast Path runs along the Fleet Lagoon for several miles and it is possible to walk the 10 Miles from Ferrybridge in Weymouth to Abbotsbury.
Anyone wanted to make complete the walk would need to use the X53 Wessex Bus that goes from Weymouth to Abbotsbury.