Participants Wanted! Moody Gardens Car Show at Moody Gardens Convention Center from August 11-13. Multiple categories and custom trophies to be awarded. Entry fee is $50.00 or FREE with hotel reservation at Moody Gardens. Registered car owners will receive 2 lanyards for entry to Air, Car & Boat Show event areas, 2 tickets for Awards Breakfast on Sunday, and 2 wristbands for Attractions.