Lost ring, phone or keys in a lake: what to do in the first hour

By DiverHire

If you've dropped a ring, phone or keys off a dock or boat, stay out of the water. Mark the exact spot, write down the time and roughly how deep it is, and keep people and boats off that patch of bottom. Then call a local recovery diver, or a metal-detecting specialist if the water is shallow enough to wade. Lost items do turn up days or months later, and a precise mark gives a diver the best chance.

What to do in the first hour

Step 1: Don't go in after it

Don't jump in, duck-dive or wade out to feel around with your feet. You could get hurt (see below), and you'll stir up the bottom and make a diver's job harder.

Step 2: Mark the spot precisely

Do as many of these as you can:

• Drop a GPS pin. Stand where you were, drop a pin in a maps app and screenshot the coordinates. On a boat, save a chartplotter waypoint at once and note which way wind and current were pushing you.
• Use the dock. Count boards, cleats or pilings from the shore end. Note which side it went off and how far from the edge.
• Take photos from where you stood, with fixed things in frame (a piling, a ladder, a boathouse), then a second set from another angle.
• Take bearings (triangulate). Find two fixed objects that line up behind the spot, like a flagpole and a chimney, then another pair looking a different way. Where the two lines cross is the spot. Never use boats as markers.
• Don't throw a weight in to mark it. It can push the item deeper or cloud the water.

Step 3: Note the time, depth and conditions

Write down when it happened, how deep the water is and how you know (depth sounder, known dock depth, a guess), whether you could see the bottom, and any current, wind or boat traffic. For a phone, the time lets you match it against the tracking app.

Step 4: Keep the bottom still

If the bottom is soft silt, every kick, rake or prop wash can bury a small item deeper and cloud the water. The diver who found a $9,500 ring in Bass Lake, California, wrote that "the silt had immediately clouded out the area" and he had "almost zero visibility" (Robb Report, 2023). Keep swimmers and engines off the spot, and at a marina, tell the staff.

Step 5: For phones, check the last known location

• iPhone: open Find My on another device, or go to icloud.com/find. Apple says that if Find My can't show the current location, "for example if your device's battery has run out, you can see its last known location for up to seven days" in the Find My app (Apple). If Send Last Location was turned on, the phone sent its location to Apple "when the battery is low" (Apple).
• Android: use Google's Find Hub app, or android.com/find in a browser. If the current location can't be found, "you may still find its last known location, if available" (Google).

Screenshot it, with the timestamp. Treat it as a cross-check on your own mark, not a replacement.

Will my phone still work? What IP ratings do and don't mean

Water-resistance ratings use the IP code from IEC 60529. IPx7 means no harmful amount of water gets in during a lab immersion of up to 1 metre for 30 minutes; IPx8 goes beyond that, "under conditions which the manufacturer shall specify". The tests use fresh water (summary of IEC 60529).

Apple rates the iPhone 12 to 17 lines, including Air, 16e and 17e, at IP68 to a maximum of 6 metres for up to 30 minutes; iPhone 7 to 11 models and the SE are rated for 1 to 4 metres. It says resistance "might decrease as a result of normal wear" and "liquid damage is not covered under warranty", though you might have rights under consumer law (Apple).

A phone in a case sat under 19 feet of water in Perry Lake, Kansas, for seven days and powered on after it was recovered (Topeka Capital-Journal via Yahoo, 2022). An iPhone 11 spent nearly six months at the bottom of Harrison Lake, B.C., and still worked, though the owner said the microphone was broken and the speaker sounded odd (CBC, 2021).

Once it's out, Apple says not to put it in rice, dry it with heat or compressed air, or charge it while it's wet (Apple). Its pages give different waits before charging (at least 30 minutes on the liquid-detection page, at least 5 hours on the water-resistance page); go with the longer one.

Why you shouldn't dive for it yourself

In July 2020, emergency crews were called to Lake Ontario near Ontario Place in Toronto just before midnight for reports of a person drowning. The man was taken to hospital in life-threatening condition and later died. Police told Global News that, according to information they received, he "had dropped his phone in the water and went in to retrieve it" (Global News, 2020). No phone or ring is worth that risk. The dangers are the same off almost any dock:

• Cold shock. The US National Weather Service says gasping or rapid breathing from sudden immersion "can be triggered by water as warm as 77°F (25°C)", that cold shock at 10–15°C can be as severe and dangerous as at 2°C, and that gasping occurs during "the first 2-3 minutes or more". That breathing "can quickly create a drowning emergency if you inhale water and cannot stay afloat" (NWS).
• Canadian lakes stay cold. The Lifesaving Society says that "even at the height of summer, water in Canadian lakes and rivers is usually below 20 degrees Celsius", and that "most drownings occur in water less than 20 degrees Celsius". Its 1-10-1 rule: you have 1 minute to control your breathing, 10 minutes to get yourself out of the water before you lose the ability to move your body effectively, and, in the right conditions and with a lifejacket on, up to 1 hour before hypothermia sets in (Lifesaving Society).
• Hazards you can't see. The Lifesaving Society tells cottagers to make sure there are "no obstacles under the surface" before jumping or diving off a dock (Lifesaving Society). A Hamilton dive operator says "low visibility, uneven bottom terrain, currents, and submerged debris make DIY recovery attempts risky and often unsuccessful" (Halton Storage).

You can safely try reaching from the dock or boat without getting in. For steel keys, a strong magnet on a rope can work; test a spare key on a fridge magnet first, because many keys are brass, which isn't magnetic. A magnet won't lift gold, silver (diamagnetic) or platinum (only weakly paramagnetic). In clear shallow water, polarized sunglasses and a long-handled net help if you can see the item. If a few careful tries fail, stop and call someone.

What affects the odds of finding it

Halton Storage says recovery success "depends on water conditions, depth, and how soon we're contacted after the incident" (Halton Storage).

Metal vs non-metal. An underwater metal detector finds metal a diver can't see. That is how the Bass Lake ring was found in near-zero visibility: an underwater metal detector, a flashlight, and bare hands in the silt (Robb Report, 2023). Sunglasses and plastic have to be found by sight or feel.

Skill and method. In the Perry Lake case, a hired diver searched for 75 minutes and didn't find the phone. A second diver found it in two minutes (Topeka Capital-Journal via Yahoo, 2022). The report doesn't say why, but method matters: PADI's Search and Recovery course trains divers in "different types of underwater search patterns" (PADI). Ask how they'll search before you book.

Sometimes it's visible: a wedding ring that slipped through a Lake Tahoe dock during the ceremony sat on a rock about 15 feet down, 40 feet offshore. The groom wanted to jump in; instead the couple asked a local scuba Facebook group, and a diver brought it up the morning after seeing the post (Fort Worth Star-Telegram via Yahoo, 2021).

Who to call: a diver, a detectorist, the marina or the police

• A metal-detecting specialist, for a beach or shallows you could stand up in. The Ring Finders, a directory of independent metal-detecting specialists, says they find rings, phones and keys lost "at beaches, parks, lakes and yards" (The Ring Finders). Ask whether the person dives or only wades, and agree pay terms up front.
• A local scuba diver, for anything deeper than wading depth, under a dock or boat, or in cold or murky water. A Hamilton, Ontario, operator lists "keys and key fobs dropped while docking", "phones and electronics that slipped overboard" and rings among the things it recovers (Halton Storage). In cottage country, Georgian Bay Towing & Salvage uses an underwater robot (ROV) with sonar and a claw instead of a diver.
• Marina or yacht-club staff. In a marina, call them first and ask about the depth, local divers and whether diving there needs their permission.
• Police. If a firearm went in, or you find something that could be evidence, call the police and let them decide how it's recovered. If anyone is in trouble in the water, call 911 or your local emergency number.

A sunken boat or outboard is a salvage job, not a lost-item search. How to hire a diver covers which certifications and insurance to ask about, and the Toronto and Great Lakes diving guide covers local conditions.

How much does it cost to have a diver find something?

Few operators publish lost-item rates; these we could verify:

On a plain reading of the Jacksonville card, three divers at USD 165 each comes to about USD 495 an hour before the trip and equipment charges (DS Diving Services). Halton Storage says final cost depends on location, depth, visibility and complexity. Get a quote in writing.

Ask which of these they use:

• Hourly, with minimums. You pay for time whether or not they find it, plus a trip charge and sometimes a minimum crew or hours.
• Fixed price. Ask whether they'll quote one price for a set search time at your marked spot.
• Finder's fee or reward. The Jacksonville card also lists an "agreed finders fee" as a percentage of value. The Bass Lake diver works on a volunteer basis and says people "are beyond kind with their tips" (Robb Report, 2023), and the Harrison Lake finders and second Perry Lake diver didn't charge. Don't plan on free help, but it does happen.

Before anyone gets wet, agree on what you pay if nothing is found, and what happens if the weather cancels the dive.

What to tell the diver: a checklist you can copy

Copy this into your message or job post:

• Item: what it is, size, colour, metal (gold, platinum, silver, steel, brass), whether it's in a case, phone model
• Location: GPS coordinates, address or marina and slip number, which dock and which side, board or piling count from shore, distance off the edge
• Photos: from where you stood, plus a second angle
• When: date and time it went in
• Depth: your estimate and how you got it
• Water: sand, silt, weeds or rock if known; could you see the bottom; current, wind, boat traffic
• Since then: has anyone waded, swum, raked or run a boat over the spot
• Phone only: screenshot of the last known location and its timestamp
• Access: dock or boat access, parking, marina permission, who will be on site
• Budget and terms: hourly, fixed price or reward, and what you pay if it isn't found

And ask them: what certification do you hold, are you insured, how will you search, do you use an underwater metal detector, and have you recovered something like this before?

Is a lost ring covered by insurance?

In the US, often not, unless it's scheduled. The Insurance Information Institute (Triple-I) says a standard homeowners policy covers jewellery against the perils it lists, such as fire, windstorm, theft and vandalism, and that "the standard policy has a relatively low limit of liability for theft—generally about $1,500" (USD). A floater, where you "schedule" individual valuables, covers "losses of any type, including those your homeowners insurance policy will not cover, such as accidental losses", and Triple-I's example is "dropping your ring down the kitchen sink drain". Items must be professionally appraised first (Triple-I). That describes US policies; check how yours is worded.

Call your insurer or broker early: ask whether the ring is scheduled, whether accidental loss is covered, and what records they want.

Seasonal notes: cold water, ice and closing up the cottage

• Spring and fall. Docks go in and come out in cold water, so the cold-shock figures above apply. The Lifesaving Society says about 35% of drownings in Canada happen from October to April.
• Ice. If something goes down an ice-fishing hole, mark it as you would in summer. The Lifesaving Society's minimum for a single person is 10 cm (4 inches) of ice. It says never to go on the ice alone, and that "no ice is safe ice" (Lifesaving Society). The Minnesota DNR adds that ice "can be two feet thick in one place and one inch thick a few yards away", and that you should double its thickness guidelines on white ice (Minnesota DNR). Diving under ice is its own specialty: PADI's Ice Diver course requires Advanced Open Water certification and a minimum age of 18, and covers the roles of tenders and safety divers (PADI).
• Waiting until spring. The Harrison Lake phone turned up by chance nearly six months later, when the water was much shallower and clear. A good mark gives a diver somewhere to start when conditions allow.

Hiring a diver through DiverHire

DiverHire is a new marketplace in public beta with only a few divers listed so far, so there may be no one near you yet and we can't promise how fast anyone will respond. You can post a recovery job free with your GPS pin, the depth and your photos, and divers who see it can bid. DiverHire takes no fee on jobs; you and the diver arrange payment directly. Check the diver's certification and insurance yourself using how to hire a diver, and around Toronto, the Toronto diving services page shows whether any divers have listed the area yet.

Sources

• Global News: Man dies after drowning in lake near Ontario Place — crews called at 11:57 p.m.; police said, according to information they received, the man had gone in to retrieve a dropped phone; he later died in hospital; posted 10 July 2020 (2020)
• US National Weather Service: Cold Water Hazards and Safety — gasping triggered by water as warm as 25°C; 10–15°C as severe and dangerous as 2°C; first 2–3 minutes or more; drowning risk from inhaling water (viewed 2026)
• Lifesaving Society (Ontario): Cold Water and Ice — Canadian lakes usually below 20°C even in summer; most drownings in water under 20°C; about 35% of drownings October to April; 1-10-1; 10 cm ice for a single person; never go on ice alone; no ice is safe ice (viewed 2026)
• Lifesaving Society (Ontario): Vacation Safety — check for obstacles under the surface before entering off a dock (viewed 2026)
• Minnesota DNR: General ice thickness guidelines — thickness varies across a lake; double for white ice (viewed 2026)
• PADI: Ice Diver course — separate specialty; Advanced Open Water and age 18 to enrol; tenders and safety divers (viewed 2026)
• PADI: Search and Recovery Diver course — trains different types of underwater search patterns (viewed 2026)
• Apple: Use Find My to locate your lost Apple device or AirTag — last known location for up to seven days (viewed 2026)
• Apple: How to turn on Find My on your iPhone, iPad, or Mac — Send Last Location sends the location when the battery is low (viewed 2026)
• Google: Find, secure, or erase a lost Android device — Find Hub last known location, if available (viewed 2026)
• Apple: About splash, water, and dust resistance of iPhone 7 and later — IP68/IP67 depths by model; resistance decreases with wear; liquid damage not under warranty; 5-hour charging wait (published July 2026)
• Apple: If you see a liquid-detection alert on your iPhone — no rice, no heat or compressed air; 30-minute charging wait, up to 24 hours to dry (viewed 2026)
• IEC Webstore: IEC 60529 Degrees of protection provided by enclosures (IP Code) — the standard behind IP ratings (viewed 2026)
• Wikipedia: IP code — meaning of IPx7 and IPx8; tests in fresh water (viewed 2026)
• Wikipedia: Key (lock), Brass, Diamagnetism and Paramagnetism — keys are commonly brass, which is not ferromagnetic; gold and silver are diamagnetic; platinum is only weakly paramagnetic (viewed 2026)
• Robb Report: Scuba Diver Found a Woman's $9,500 Wedding Ring in a California Lake — Bass Lake, silt, near-zero visibility, underwater metal detector, volunteer and tips (2023)
• Yahoo News / Topeka Capital-Journal: A Kansas woman lost her cellphone in Perry Lake. It was recovered a week later — Perry Lake, 19 ft, seven days, USD 100 paid for a 75-minute failed search, found by a second diver in two minutes, phone worked (2022)
• Yahoo News / Fort Worth Star-Telegram: Diver recovers wedding ring that fell in Lake Tahoe during ceremony on California dock — ring fell through the dock during the ceremony; groom wanted to jump in; visible on a rock 15 ft deep, about 40 ft offshore; recovered by a diver from a local Facebook group (2021)
• CBC News: Functioning cellphone returned to owner after nearly 6 months at bottom of Harrison Lake — iPhone 11 found during a lake-bottom sweep by a Chilliwack free diver and his wife, asking nothing in return; still worked apart from microphone and speaker (2021)
• The Ring Finders — directory of independent metal-detecting specialists; rings, phones and keys lost at beaches, parks, lakes and yards (viewed 2026)
• DS Diving Services: Pricing — Jacksonville FL search and recovery USD 165/hr per diver, USD 50 trip charge, agreed finders fee as % of value, 3-diver minimum, USD 35 equipment charge (2026)
• PNW Diving Services: Services and rates — northern San Juan Islands and Bellingham-area lakes, WA; general diving including lost items, USD 200/hr (viewed 2026)
• Halton Storage: Underwater diving — Hamilton ON; keys, phones and rings recovered; DIY recovery risky; success depends on conditions, depth and speed; diving from $150/hr, currency not stated (viewed 2026)
• Georgian Bay Towing & Salvage: Underwater recovery — ROV, sonar and claw retrieval in Parry Sound, Muskoka and Simcoe (viewed 2026)
• Triple-I: Special coverage for jewelry and other valuables — US policies: about USD 1,500 theft limit on a standard policy; floaters cover losses of any type incl. accidental; appraisal required (viewed 2026)

Last updated: September 2026. Prices and rules change; confirm with local providers.