Intex Ultra XTR Deluxe 18' Rectangular Above Ground Swimming Pool Set $742 at Amazon $742 $1248 New price low. Amazon with Spreetail has the Intex Ultra XTR Deluxe 18' Rectangular Above Ground Swimming Pool Set (26355EH) for $742 with free shipping. Measures 18' x 9' x 52", has removable ladder and includes 1500 GPH sand filter pump. $742 retail: $1248 Posted by DrBatman05/18/2026 at 09:00 AM PT