Im am now 89 and live independently in a 62+ building. At present without impeding medical problems. Reasonable income assured by annuity and pension. But I have no relatives nor friends, anywhere, who could could act as my guardian in case I would be unable to act for myself. Is a "springing medical and financial power of attorney " towards a temporary or permanent "guardianship" with an elderlaw attorney possible in Florida ? If not, what type of solution ? Towards medical providers and landlords and the bank, I need to provide a name or firm or institution.
As an aside, when I lived there I knew of an elderly woman with your situation. Her bank, which had managed her income for years, was her guardian (I think that's what the relationship was). She stayed in her home for many years with home caregivers managed by the bank. People at the bank kept her checkbook for her. Some retirees from the bank were paid to come and read to her or spend time with her. She lived to almost 100.
I wish you good luck finding someone who can guide you. You might try looking up Licensed Fiduciaries, as well, or asking an attorney to recommend a Fiduciary they work with through the court systems.