The High Court ordered Adeeb's temporary transfer pending a judgment on an appeal.
He was brought to Malé from the Maafushi prison for emergency medical care.
Speakers heaped praise on Adeeb at the inaugural meeting of the Maldives Third-Way Democrats.
Adeeb is undergoing emergency treatment to remove kidney stones.
Several opposition figures have called for Adeeb to be allowed to seek medical treatment overseas.