Refundable security deposit applies only when charter deposit insurance with external insurance companies such as the below, is provided from the client before the start of the charter.

Examples:

Pantaeunius - https://www.pantaenius.com/de-en/

Yachtpool - https://yacht-pool.com/last-minute-en/?partner=mgyachts

In any other case, non refundable deposit applies as obligatory.