I'm not positive about Paintball Sportsland in particular but at most fields it costs about $25 for all your gear (mask, marker, hopper, & air supply) for all day. Then you ha … ve to buy paint which is usually anywhere between $45-$70 per case (2000 rounds) or $15-$20 per bag (500 rounds). Hope this helps.Answered.'m not positive about Paintball Sportsland in particular but at most fields it costs about $25 for all your gear (mask, marker, hopper, & air supply) for all day. Then you ha … ve to buy paint which is usually anywhere between $45-$70 per case (2000 rounds) or $15-$20 per bag (500 rounds). Hope this helps. Answered.