The online portion of Marin Horizon Spring Party 2025 is now open. The auction will run from March 17, 2025 to April 1, 2025, with the live event taking place on March 28, 2025. Proceeds go to Marin Horizon School in order to support our wonderful teachers and programs. Auction items range from vacation getaways to donated items guaranteed to delight and surprise. So, tell your friends, family, community. Let the bidding begin!