Facilities in Suffolk County
- Suffolk County Dwi Alternative Facility County jail in Yaphank
- Address
- Yaphank Ave, Yaphank, NY 11980
- Phone
- (631) 852-2200
- Website
- suffolkcountysheriffsoffice.com
- Capacity
- 54 beds
- Visiting page
- suffolkcountysheriffsoffice.com
- Mail rules
- suffolkcountysheriffsoffice.com
- Suffolk County Jail - Riverhead County jail in Riverhead
- Address
- 100 Center Dr South, Riverhead, NY 11901
- Phone
- (631) 852-2200
- Website
- suffolkcountysheriffsoffice.com
- Capacity
- 769 beds
- Visiting page
- suffolkcountysheriffsoffice.com
- Mail rules
- suffolkcountysheriffsoffice.com
- Suffolk County Jail - Yaphank County jail in Yaphank
- Address
- Glover Drive, Yaphank, NY 11980
- Website
- suffolkcountysheriffsoffice.com
- Capacity
- 504 beds
- Visiting page
- suffolkcountysheriffsoffice.com
- Mail rules
- suffolkcountysheriffsoffice.com
- Brentwood Residential Center State prison in Dix Hills
- Address
- 1230 Commack Road, Dix Hills, NY 11746
- Phone
- (631) 667-1188
- Website
- ocfs.ny.gov
- Hope for Youth Non Secure Detention Center Juvenile facility in Amityville
- Address
- 201 Dixon Avenue, Amityville, NY 11701
- Phone
- (631) 691-5100
- Website
- hfyny.org
- Capacity
- 12 beds
- Yaphank Residential Juvenile Detention Center Juvenile facility in Yaphank
- Address
- 335 Yaphank Ave, Yaphank, NY 11980
- Phone
- (631) 852-2200
- Website
- suffolkcountysheriffsoffice.com
- Capacity
- 32 beds
Addresses, phone numbers and capacity come from a public facility directory (HIFLD Prison Boundaries, data edited October 2025) and can be out of date. Visiting, mail, money and phone pages are linked from each facility's own site. Call before you travel or send anything.
Near Suffolk County
Straight-line miles from the facilities we list, not driving distances.
Nearby counties
Closest jails in other counties
More in New York
Find someone in Suffolk County
- CallSuffolk County Dwi Alternative Facility: (631) 852-2200; Suffolk County Jail - Riverhead: (631) 852-2200; Hope for Youth Non Secure Detention Center: (631) 691-5100. Have the person's full name and date of birth ready; booking can take several hours.
Questions about Suffolk County jail and inmate search
Where do people arrested in Suffolk County go?
We list 6 facilities in Suffolk County, New York: Suffolk County Dwi Alternative Facility (Yaphank Ave, Yaphank); Suffolk County Jail - Riverhead (100 Center Dr South, Riverhead); Suffolk County Jail - Yaphank (Glover Drive, Yaphank); and more below. We cannot say for sure which one is the main jail, so call the Suffolk County sheriff's office or the police department that made the arrest to ask where someone is held.
What phone numbers do we list for Suffolk County jails and facilities?
Suffolk County Dwi Alternative Facility: (631) 852-2200. Suffolk County Jail - Riverhead: (631) 852-2200. Hope for Youth Non Secure Detention Center: (631) 691-5100. Yaphank Residential Juvenile Detention Center: (631) 852-2200. These come from a public facility directory and can change, so confirm a number before you rely on it.
How do I find out if someone is in jail in Suffolk County?
Call Suffolk County Dwi Alternative Facility at (631) 852-2200 with the person's full name and date of birth.
What county jails are near Suffolk County?
The closest county jails we list outside Suffolk County are Nassau County Correctional Center in East Meadow (Nassau County, about 28 miles), Leadership Training Institute - Project 350 in Hempstead (Nassau County, about 32 miles) and Leadership Training Institute - Project 29 in Hempstead (Nassau County, about 32 miles). Distances are straight-line miles between listed facilities, not driving distances.