8499元预订的三亚民宿被毁约，从重处罚！

Group 1 - The core issue involves a consumer dispute regarding a canceled booking at a vacation rental in Sanya, where the operator allegedly failed to fulfill the contract, leading to legal actions against them [1][2] - The market regulatory authorities have completed their investigation and plan to impose a heavy penalty of 350,000 yuan, revoke the business license, and include the operator in a serious dishonesty list [1] - The Sanya Tourism Association has been proactive in addressing the issue, initiating mediation efforts and implementing a pre-compensation mechanism for affected tourists [2] Group 2 - A consumer named Mr. Li booked a four-bedroom rental in Haitang Bay for 19 nights, paying 8,499 yuan, but the booking was unilaterally canceled by the rental operator [2] - The Sanya "Safe Travel" platform has started a mechanism to compensate tourists for losses incurred due to the operator's actions [2] - Tourists are advised to retain relevant evidence and report similar issues through the designated complaint channels [2]