B&H Photo Video offers the Contour ROAM2 1080p HD Digital Waterproof Camcorder in Black, model no. 1801K, with a 4GB microSD Card for $98.90 with free shipping. Outside the price below, that's the lowest total price we could find by $15. It features up to 1080p video capture at 30fps, water resistance up to 3.3 feet, laser level, tripod, and 5-megapixel still image capture.
A close price: Amazon offers it for $99.84 with free shipping.