Lake Okeechobee Valley and the Everglades. The trough is underlain by clay deposits that compacted more than the limestone and sand deposits did along both coasts of peninsular Florida. Until about 6,000 years ago, the trough was dry land. As the sea level rose, the water table in Florida also rose and rainfall increased. From 6,000 to 4,000 years ago, wetlands formed building up peat deposits. Eventually the water flow into the area created a lake, drowning the wetlands. Along what is now the southern edge of the lake, the wetlands built up the layers of peat rapidly enough (reaching thick) to
Lake Harbor, Florida Lake Harbor, Florida Lake Harbor is a census-designated place (CDP) in Palm Beach County, Florida, United States. The population was 195 at the 2000 census. It located along the southern banks of Lake Okeechobee, at the beginning of the Miami Canal. John Stretch Park is also located alongside the north end of Lake Harbor and the lake. Lake Harbor is located at (26.686985, -80.807613). According to the United States Census Bureau, the CDP has a total area of 3.4 km² (1.3 mi²), all land. As of the census of 2000, there were 195 people, 65 households, and 44 families residing