Are recreational activities offered on Lake Dexter? Recreational activities are not offered on the lake and a perimeter fence prevents access to and from the water. A sign posted along the fence warns guests to stay away from the water. Was this article helpful? Related articles What is there to do at LEGOLAND Beach Retreat? Is Lake Dexter accessible for guests staying at the LEGOLAND Beach Retreat? Can LEGOLAND Beach Retreat guests attend Creative workshops? What does my stay at Pirate Island Hotel include? Are LEGO characters available for meet-and-greets at LEGOLAND Beach Retreat?