how much does it cost to put in an inground swimming pool
1 The price of an inground swimming pool depends mainly on the swimming pool construction materials. 2  The cheapest option is a vinyl liner pool. 3  For a basic, medium-sized vinyl liner pool with no patio prices start at around $18,000 and can go as high as $30000+ including installation. 4  The next option is a fiberglass pool. The next option is a fiberglass pool. 2  Materials alone cost between $10,000 and $30,000 based on the swimming pool size. 3  The price including installation (without any sort of deck or patio) is $20,000 to $40,000.