Suggestions for sources/websites to find Shopping Centers for Sale

[Albert M.]

Good morning, folks.

My team is looking to purchase some/any off-market commercial properties (i.e., retails/shopping centers/malls, office buildings, or medical building) in the Southeast corridor of the U.S.

Besides conventional commercial RE brokers, can anyone suggest any other good sources or websites where I may be able to go to find these?  

Thank you - in advance - for your replies to my question here.

Kind regards,

Al M.