Legal Question in Landlord & Tenant Law in Florida

Depending on what your lease states, he could charge you rent until he can re-rent the unit.

Check your lease and be sure to give notice as required in it. You may have to pay for additional rent until the landlord finds a new tenant. Consider speaking with your landlord. If the landlord agrees to let you move out at no extra charge, be sure to put it in a written, signed agreement.