Your very best bet for portolio loans are local lenders.
Find an "A" or "B" graded lender and give them a call.
Simply enter the zip or city name of the location of the real estate.
If you want a more reliable and proven source, contact a real estate professional who works the Naples market. These agents are in the business of find solutions. Pick up the phone and call.
No, don't use that 'contact' link.
No, don't email.
Pick up the phone and call, if you are serious.
best of success to you.