Miami Bail Bond News A bail bond is a guarantee by a third-party that a defendant in a court action will appear to all of their criminal court proceedings. The bond is given in return for the release of the defendant from court custody. A Bail Bond is a type of Surety Bond. A surety bond is a three party guarantee put into place to protect the party requesting the bond and guarantees the performance, ability, honesty and integrity of individuals performing various responsibil