I intend to swim long distances, over 5 km, in open waters. I won't do it in shark infested water or anything alike, but there are still a lot of dangers, like jellyfishes.

I also want to do it self sufficient.

I suspect that I would need at least an auto inflating vest. But what should I look for when choosing one? If I would need to carry food and water how can I do it? Is there something like a floating bag that I can easily attach to myself?

Related to safety again, is there something like a radio buoy to emit a signal in case of emergency?

Any other tips if someone already did this?

closed as off-topic by Philip Kendall, Ale, TrueDub, Arun Xavier, jamauss Apr 4 '16 at 19:29

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  • "Questions on exercise and fitness unrelated to a specific, competitive sport are off-topic here, but can be asked on Physical Fitness Stack Exchange." – Philip Kendall, Ale, TrueDub, Arun Xavier, jamauss
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  • 1
    This is an important object you can use for your training swimsafetydevice.com but I do not swim in open water so I am not able to give a complete reply on it – Ale Aug 14 '15 at 7:54
  • Yeah, that seems like a really good device. I'm thinking of buying one and that kind of things is what I'm looking for. There is still the question of the flotation vest. – Adrian Ber Aug 14 '15 at 11:37
  • Maybe it is better to search or ask in Physical Fitness_swim_tag section / Physical Fitness_seaswim_tag section – Ale Apr 2 '16 at 15:59

I can confirm swimsafety and I add a picture to understand better swimsafety

I discover a new item that can help in open water swimming: lifebelt lifebelt_closed lifebelt_opening

Are all commercial links but I cannot explain it exactly in a different way

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