1. The sublessee shall be liable for the full rent of the sublessor in the amount of. A Florida sublease agreement is a lease between an existing tenant of a property and another person who wishes to rent some or all of the property.A sublease agreement is drawn up in these situations, specifying key terms between you, the original tenant, and your friend, the subtenant. Create your Florida sublease agreement, and sublet your property. Rent your unit to a subtenant with our free template. A sublease, or a sublease agreement, is when a landlord and tenant agree to rent out the unit to another resident not originally on the lease agreement. Here's some language for a sample letter requesting sublet permission. Use it in part or full when submitting your proposal. A sublease agreement is drawn up in these situations, specifying key terms between you, the original tenant, and your friend, the subtenant. Sublease Agreement – The act of renting space that is under lease from another tenant.