For ground transfers originating in Belize City, picking up owners and guests from the airport and local tours we normally use a very clean, well maintained 2019 Toyota Hiace GL van which has a carrying capacity of 9 persons and luggage or 13 persons and no luggage.
Arrangements can certainly be made for a separate vehicle for luggage or backup/security.
There is ONLY ONE TERMINAL for both commercial and regular private jets.