As a Preferred Lodging Partner with Six Flags Great America we’re able to sell their daily admission tickets and season passes at awesome, discounted prices! Just $46 for a daily admission ticket and $79 for a season pass! These rock bottom prices are available to the public and Fish Lake Beach campers for cash only in the Fish Lake Beach Registration Office, just across from our beach. Wanna stay at Fish Lake Beach? Call 847 546 2228 to book a Chill and Thrill Package! Details above and on our Overnight Camping page.