Lost something in Mount Sinai? Here is who to contact.
One report reaches the Suffolk County Police Department, local lost and found offices, and active community channels. Your report stays active, automatically searching for a match while you move forward.
What did you lose?
If there isn’t an adequate suggestion, select “Other – My item isn’t listed” and enter the item’s category. You can provide details later.
Publishing your report is free and your details stay private. The assisted search is a separate paid service, described in the Terms.
Recent activity
New York : the holding period scales with the item's value: the more it is worth, the longer the police must keep it. A finder must deposit an item worth $20 or more at a police station within 10 days. (New York Personal Property Law §§252-253)
Across the United States
- Wrislet clutch gray/silver bag with documents · Chicago, IL, October 8
- Ring TM on top · Greensboro, NC, October 8
- Keys · Sarasota, FL, October 8
- Keys · Brookline, MA, October 7
- Camera · Monterey, CA, October 7
Local contact details reviewed on October 7, 2026.
How ReportLost Works
You file one report
Tell us what you lost, where, and when. We gather the details needed for every channel that might help, so you don't have to repeat yourself.
We route it to the right places
Your report goes straight to the Suffolk County Police Department, relevant lost and found offices, and gets posted to active local community networks so locals can spot it.
Your report keeps searching for you
For your entire search period, your report automatically matches against new found items, listings, and community posts. When a credible match surfaces, you're alerted right away, so you can focus on other things while we help bring your item home.
Where to Report Your Loss in Mount Sinai
These are the main channels where your lost item may be found or claimed. ReportLost connects you to all of them at once.
Suffolk County Police Department
The police department handles lost and found reports and can file a formal report at the precinct nearest your loss location. We tell you which precinct covers your area and help you file there.
MTA Lost and Found (if lost on transit)
If your item was left on a subway or bus, the MTA Lost and Found holds items for a period of time. We help you file the claim with the exact details they need.
JFK Airport Lost and Found
Items left at JFK are held in the airport's lost and found system. If your loss happened at the terminal, we can route your report to the right department there.
Lost Pets
If you've lost a cat or dog, time matters. Local shelters, animal control, and pet networks in Mount Sinai area can help reunite you with your pet. We connect you to all active channels and help spread the word fast. To maximize your chances, file a priority lost pet report.
⚠️ Spotted incorrect or outdated information? Let us know so we can review it.
The sooner you report, the better
Each day that passes, the trail gets colder and items move further away. Filing early with ReportLost means your report goes out to all the right places immediately, and stays active looking for matches for months. You've got this.
Report my lost item →Losing a wallet, phone, or beloved pet in Mount Sinai can feel disorienting, especially when you're juggling calls to the police, checking multiple Facebook groups, and monitoring the transit lost and found all on your own. Each system works separately, holds items for a limited time, and requires you to follow up constantly.
ReportLost simplifies the chaos. File one report and we connect it to the Suffolk County Police, local lost and found offices, and community channels all at once. Your report stays active searching for a match for months, so you're not checking the same groups and sites every day. The moment something credible surfaces, you'll know.
Common places where items go missing in Mount Sinai
If you remember roughly where you lost something, it helps narrow the search.
Cedar Beach
The waterfront areas and parking lots along Cedar Beach Main and Cedar Beach West are common loss spots during outings and beach days.
Main Street and Downtown
Local shops, restaurants, and sidewalks along Main Street see frequent reports of lost wallets, phones, and personal items.
Recreational areas and parks
Picnic areas, playgrounds, and walking trails throughout Mount Sinai account for lost rings, glasses, and bags left behind.
Residential neighborhoods
Lost pets and items left in yards or driveways are sometimes found by neighbors; community networks help spread the word quickly.
Community networks keeping watch
Local Facebook groups and Nextdoor are where neighbors often spot and post found items. We make sure your report reaches these channels.
Active Facebook group for missing and found pets across the county
Local Facebook communities where residents share sightings and found items
Neighborhood-specific posts reach nearby households quickly
Common questions about losing and finding items in Mount Sinai
How long does the police department hold lost items?
The Suffolk County Police Department holds items brought to the precinct, but retention periods vary. It's best to contact your local precinct directly at 631-852-6000 to ask about a specific item and how long they'll keep it.
What if I lost something on the MTA?
If your item was left on a subway or bus, call 511 to schedule an appointment with the MTA Lost and Found office. They hold items for a limited period, so reaching out quickly improves your chances of recovery.
How do I file a report if I lost my pet?
Contact local shelters like the Smithtown Animal Shelter and post on community Facebook groups right away. For fastest coverage, file a dedicated lost pet report with ReportLost, which reaches shelters, animal control, and pet networks simultaneously.
Where should I check if someone found my item?
Check the police precinct where you filed your report, local lost and found Facebook groups for Suffolk County, Nextdoor, and the transit lost and found if it was on a bus or subway. ReportLost monitors these channels for matches on your behalf.
What if my item turns up weeks later?
Many found items are posted days or weeks after the loss. Your active report means you'll be alerted the moment a match is spotted, even if time has passed. That's why keeping your report active matters.
Is ReportLost.org an official government service?
No, ReportLost is an independent service that works alongside official channels. We're not the police or a city agency, but we speed up the process by routing your report to all the official departments and community networks that can help you, and keeping your report active longer than you'd manage alone.
Lost & found in nearby cities
File your report now and let the search begin
Every hour counts. Once you file with ReportLost, the Suffolk County Police, local lost and found offices, and community networks are all working together to find your item. You can breathe easier knowing your report is live and actively searching.
Start my report →ReportLost.org is an independent service and is not affiliated with the Suffolk County Police Department, the MTA, JFK Airport, the City of Mount Sinai, or any other government or commercial entity mentioned on this page. We work with these organizations' official channels to route your report, but we are not endorsed by or part of any of them. Always verify current contact information and procedures directly with these agencies.