Abstract: A mesh-screened enclosure available in a range of sizes that floats on top of the water in a swimming pool or lake. The screen prevents insects from entering the enclosure. The user may either swim under the open bottom of the enclosure and surface inside the enclosure, or may lift a side of the enclosure over his upper body and head, and place the enclosure back down on the water surface once inside. The enclosure extends the use of a swimming pool without the use of chemicals or fuels, and is particularly useful after the dusk, when mosquitoes are most prevalent. The enclosure may also be fitted with a partial sun shade, for daytime use, and may be embellished with paint, fabric and the like.