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Q&A

How can I take keys with me while swimming?

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I was recently crossing a lake that is commonly used for swimming and recreation. When I was swimming back to the shore, I was constantly nervous that my bag would be stolen, along with the keys in it. The lake spans several hundred metres, so there would have been opportunities for thieves taking our stuff. Luckily, everything was still in place.

I want to find a way to take the key to my flat and bike with me while swimming without any chance of losing them. I do not need more than the two keys and a towel (the mobile phone will stay at home).

Edit: Thank you all for the overwhelming amount of replies! I try also to follow all the comments and still don't know which of the replies I should pick for marking as the answer because so many of them are so great. :-)

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There is a product that launched in 2015 called PocketBands. It is a low profile silicone band/bracelet that has a hidde …

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Most here have focused on taking the key with you to the lake, with the assumption that you have taken your car. Here is …

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If it's just the keys that need securing, I love key wristbands. They are properly secure and you have the key in sight …

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There are a few ways to do this in addition to the previous answer. If you have a car with a hitch: This is what we u …

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My swim trunks generally came with a tie string in the front to permit them to be securely fastened to my waist. So when …

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As a nudist/naturist, I've been to resorts where I've rented a cabin or trailer and needed to keep the key with me. As t …

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It frustrates me that most of the answers are unfortunate variations of "just put the keys into your pocket" The proble …

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Very low budget solution: Safety pin your key to your swimsuit--inside a pocket if possible.

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We've has a similar question on Travel.SE. The answer below is largely based on this other answer of mine. Invest in a …

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You can get waterproof belt pouches. I used to use them when I wore a wetsuit for kayaking (a drysuit makes this simpler …

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I would be very leary about taking keys out into the water - most car modern car keys are not particular water proof and …

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Kind of like the key keeper on the swim trunks. Some young girls make a cord like that that goes around your ankle to se …

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I use 3mm utility cord around my neck. I tie in key with a Girth Hitch. Or tie the key into the necklace. I use a dou …

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If your trunks don't have a designated key pouch or you're a female you can tie your keys to the draw string inside your …

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Lots of swim/board shorts come with key keepers in the pockets. Chances are you may even have one in the swimwear you ow …

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This post was sourced from https://outdoors.stackexchange.com/q/16770. It is licensed under CC BY-SA 3.0.

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15 answers

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There is a product that launched in 2015 called PocketBands. It is a low profile silicone band/bracelet that has a hidden pocket. You insert your key on the underside and it stays secure while swimming, running or other activities. It only holds one key, so you would need to buy two for both your keys. I bought these when PocketBands were a Kickstarter project, and the keys do stay put! They are less than $10.

PocketBands

You mentioned being nervous about your bag the keys were in, which reminded me of another successful Kickstarter project for a really nice looking, innovative, theft proof lightweight backpack by Loctote which is made of a slash proof fabric. This was also featured on Shark Tank (a TV show that pitches innovative products to a group of investors). I hope this is helpful! The bag is intended to be locked to a fixed object, so being slash proof is important, as long as the lock holds it's less likely a target.

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This post was sourced from https://outdoors.stackexchange.com/a/16790. It is licensed under CC BY-SA 3.0.

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Most here have focused on taking the key with you to the lake, with the assumption that you have taken your car. Here is slightly different solution:

My house has an electronic lock with keycode. This might seem extreme/expensive but it is useful for more than just going swimming. If you are not taking your car to the beach/lake then this better than the car key safe option. Going for runs/cycles in clothing without pockets is a great help. You don't have to worry about loosing the key of heavy night at the pub and long trips away. Letting trusted guests in without a key is also very helpful. It has temporary codes so you can set/delete/change this after.

Another similar and less costly solution is to have a combination key safe. This has most of the same advantages but for a slight lack in convenience.

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This post was sourced from https://outdoors.stackexchange.com/a/16789. It is licensed under CC BY-SA 3.0.

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There are a few ways to do this in addition to the previous answer. If you have a car with a hitch:
enter image description here

This is what we use when we SCUBA dive.

Since you are only swimming and presumably not going to great depths, you can also use a waterproof wallet. I have two varieties:

enter image description here

Or:

enter image description here

The wallets tend to run less than $10, the hitch lock is more like $30-$50.

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This post was sourced from https://outdoors.stackexchange.com/a/16773. It is licensed under CC BY-SA 3.0.

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If it's just the keys that need securing, I love key wristbands. They are properly secure and you have the key in sight if you are a bit paranoid about it ;) I prefer it over any kinds of bags on strings, as it gives you less of a hassle and less of a feeling you might lose that stuff dangling from your wrist at any moment.

If you hit your favourite online shop with "key wristband swimming", you should get some. Example:

key wristband

As an alternative for more than just keys, I find running belts with pouches quite helpful. Note that they are typically not waterproof, so if you need to take your smartphone, you will need to protect it separately. Example:

belt pouch

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This post was sourced from https://outdoors.stackexchange.com/a/16788. It is licensed under CC BY-SA 3.0.

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My swim trunks generally came with a tie string in the front to permit them to be securely fastened to my waist. So when I was a kid, my house key was merely tied into the string with the standard knot. I always used the same knot as I did for a shoelace, which is called a "Double Slip Knot." http://lmgtfy.com/?q=Double+Slip+Knot

The key would be tucked into my trunks along with the knot. This location may be a bit uncomfortable due to the convergence of dangling brass with other dangling parts, but it has the distinct advantage of simplicity.

The same thing worked for locker keys. Many swimming pools have lockers for your personal items, and this was one method used to keep the key attached.

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This post was sourced from https://outdoors.stackexchange.com/a/16824. It is licensed under CC BY-SA 3.0.

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I would be very leary about taking keys out into the water - most car modern car keys are not particular water proof and if you lose it in the water, it's pretty much gone for good.

I use a combination lock box that attaches to my car. Eg something similar to this

enter image description here

This allows you to leave bigger items in the car and rely on the car locks to keep every thing else safe.

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This post was sourced from https://outdoors.stackexchange.com/a/16782. It is licensed under CC BY-SA 3.0.

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Kind of like the key keeper on the swim trunks. Some young girls make a cord like that that goes around your ankle to sell at S. Pacific beach's. They seem to work. Elastic cord.

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This post was sourced from https://outdoors.stackexchange.com/a/16776. It is licensed under CC BY-SA 3.0.

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Very low budget solution: Safety pin your key to your swimsuit--inside a pocket if possible.

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This post was sourced from https://outdoors.stackexchange.com/a/16791. It is licensed under CC BY-SA 3.0.

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As a nudist/naturist, I've been to resorts where I've rented a cabin or trailer and needed to keep the key with me. As the resort(s) deal with people who aren't wearing trunks or have pockets, the key they provided was attached to a coil wristband, much like a telephone receiver cord. I was then able to keep it around my wrist the whole day while swimming, hiking, playing tennis, etc. without concern of losing the key(s).

I've attached a stock photo as not to advertise for anyone; however, these keyrings were under USD $1 or GBP £0.76. Spiral Wrist Coil Key Chain

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This post was sourced from https://outdoors.stackexchange.com/a/16802. It is licensed under CC BY-SA 3.0.

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You can get waterproof belt pouches. I used to use them when I wore a wetsuit for kayaking (a drysuit makes this simpler). They'll easily hold cash + phone +keys, and are nicer for swimming with than something that trails round your neck. As kayaking sometimes involves swimming in white water with trees and rocks around, the pouches with lanyards would be snag hazards, especially carried round your neck. For short swims with more stuff I've used a small dry bag (the roll top sort).

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This post was sourced from https://outdoors.stackexchange.com/a/16785. It is licensed under CC BY-SA 3.0.

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If your trunks don't have a designated key pouch or you're a female you can tie your keys to the draw string inside your trunks or bikini top. If you have a key fob on your keychain leave it in your car or at home. If your car has a combination lock you can leave your keys in the car.

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This post was sourced from https://outdoors.stackexchange.com/a/16772. It is licensed under CC BY-SA 3.0.

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We've has a similar question on Travel.SE. The answer below is largely based on this other answer of mine.

Invest in a Dry Egg/Box

My suggestion is to carry your keys in the water with you when you go for a dip. Keys can easily fit in what is called a freediving dry egg/box which, as the name suggests, is a gadget used by divers to keep their stuff dry whilst in the water. These gadgets come in various different sizes, cost under €20 and look something like this (image courtesy of ScubaStore):

freediving dry egg
(source: watersportswarehouse.co.uk)

I have a dry egg I've been using for five years now. I've taken it with me countless times out in the sea and it has done its job.

Test for Waterproofness

First thing you should do after purchasing your egg is to test ride its watertightness. Put a piece of paper in it, lock it up and throw it in a sink/bucket full of water. Then wiggle it around for a few minutes. Take it out, open it and check the paper: if it's wet you either did not close the egg properly or it leaks.

Wearing Tips

One possible way of carrying the egg whilst swimming could be replacing the lanyard with a longer one so that you can wear it diagonally across one shoulder like a shoulder bag. Other options include tying it to your swimming trunks, wearing it around your waist, your neck, or wearing a rubber weight belt of the type used by freedivers on which you can strap the box. The needed comfort also depends in how much swimming you are planning to do.

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This post was sourced from https://outdoors.stackexchange.com/a/16787. It is licensed under CC BY-SA 3.0.

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I use 3mm utility cord around my neck. I tie in key with a Girth Hitch. Or tie the key into the necklace. I use a double fisherman on the cord.

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This post was sourced from https://outdoors.stackexchange.com/a/16774. It is licensed under CC BY-SA 3.0.

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It frustrates me that most of the answers are unfortunate variations of "just put the keys into your pocket"

The problem with that suggestion is that most sets of car keys include an electronic component with buttons for remotely interacting with the car.

The only other really viable answer I've seen is the Dry Egg thing, but that isn't entirely convenient.

On short notice what I would suggest is one of two things:

1) put the keys in a condom (and if you're worried about the key bursting the condom, but the keys in a plastic bag first), and then tie the condom.

2) buy a cheap jar of jam (or pasta sauce or something), empty it, wash it in the lake, put the keys in it, and put the lid back on. Now you have a dry key store.

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This post was sourced from https://outdoors.stackexchange.com/a/16798. It is licensed under CC BY-SA 3.0.

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Lots of swim/board shorts come with key keepers in the pockets. Chances are you may even have one in the swimwear you own. It's simply a length of elastic cord stitched into your pocket. If you don't have one, it can easily be added. You attach your keys to the loop using a girth hitch:

enter image description here

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This post was sourced from https://outdoors.stackexchange.com/a/16771. It is licensed under CC BY-SA 3.0.

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