Reviewed and updated October 9, 2026 by the SearchSystems.net editorial team. The arrest counts are the ones each agency reported to the FBI, as the FBI held them on October 8, 2026. The jail figures are from the Vera Institute of Justice's Incarceration Trends data. Every office link was opened and checked against the office's own site between September 23, 2026 and October 9, 2026.
Collier County, Florida, has about 416,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Collier County is held at the county jail, run by the Collier County Sheriff's Office, and the jail's record of each person held is a public record. This guide says where to look for someone in custody, what the jail holds and who books people into it.
This guide covers the search, the jail, who books people, state prison and common questions.
Related guides: Collier County public records, Collier County arrest records, Collier County warrants, Collier County criminal records, Collier County court records, Florida arrest records and Florida inmate search.
Finding Someone in Custody in Collier County
The county jail, run by the Collier County Sheriff's Office, holds everyone kept in custody after an arrest in Collier County, from every agency.
SearchSystems opened and checked the jail page of the Collier County Sheriff's Office at colliersheriff.org/how-do-i/find-out-who-s-in-jail (page title: Arrest and Warrant Search | Collier County, FL Sheriff), which answered when SearchSystems opened it on September 28, 2026.
That page is the office's jail information page rather than a roster.
The Collier County Jail by the Numbers
So far in 2026 the jail has held about 720 people on an average day, down from about 760 in 2019. Its rated capacity in 2023, the last year with a capacity figure, was 1,308 beds, and it ran at 58 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Collier County has about 416,000 residents (2024 Census Bureau estimate), so the jail holds about 17 people for every 10,000 residents.
Who Books People Into the Collier County Jail
The Collier County Sheriff's Office and the agencies that report for Naples and Marco Island make the arrests that end in a booking in Collier County.
The FBI's agency list also places five state agencies and one state police unit in Collier County (the arrest records guide names each one).
The largest arrest counts reported to the FBI were the Collier County Sheriff's Office's 6,069 for 2025 and Marco Island's 39 for 2025.
Together, the two agencies in Collier County with all twelve months of 2025 on file reported 6,108 arrests to the FBI that year. Those kept in custody were booked into the county jail; a person cited and released at the scene was not.
The counts, agency by agency and year by year, are in Collier County arrest records.
From the Jail to State Prison
A sentence of more than a year is served in state prison, not the jail; the Florida Department of Corrections lists its inmates at fdc.myflorida.com.
Frequently Asked Questions
How do I find an inmate in Collier County?
Ask the Collier County Sheriff's Office; its jail page SearchSystems verified is at colliersheriff.org.
How many people are in the Collier County jail?
About 720 on an average day so far in 2026, against a rated capacity of 1,308 beds.
Where do people sentenced to prison in Collier County go?
To a facility of the Florida Department of Corrections; its inmate locator is at fdc.myflorida.com.
Is this the official Collier County website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official county, court and state offices described above and does not hold records, charge for them or take requests.