Abstract: An improved anchor for lane lines of swimming pools is provided. The anchor can include housing having a cover and a support member, the housing defining an internal cavity and the cover being movable to open and close the internal cavity. An extension connector can be configured to engage the support member. With the cover closed over the internal cavity, a first end of the extension member can be secured in engagement with the support member and a second end of the extension member can extend outside of the internal cavity to support a lane line.