There are currently no migrants being held at the base despite initial plans for the facility to hold up to 30,000 illegal migrants

It is unclear if the U.S. will continue to hold migrants at the base, commonly known as “Gitmo.” None of the 195 tents that were set up to hold migrants have been used because they do not meet ICE standards, according to several U.S. defense officials, such as having air conditioning and other amenities.

https://www.foxnews.com/politics/all-illegal-migrants-held-guantanamo-bay-cuba-have-been-sent-louisiana

AND

ICE Seeks More Bed Space as Detainee Numbers Hit Maximum Capacity

https://www.newsweek.com/ice-seeks-more-bed-space-detainee-numbers-hit-maximum-capacity-2043662