I think the suggestion of getting more "normal" dives under your belt is a good one. Keep in mind that the greatest percent pressure gradient is in the last 30 m of the water column.
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When I go diving with an agency and with another divers, picture is clear, complete scuba donning, going seeing something, coming back, etc.
But there are times when I go to a beach just for tanning purposes, with my wife and kids. Some of us will do some freediving in such condition, others will just swim around in waters. Personally I do not find any of those two options appealing. What I would like is to take my 4.5 liters pony with one second stage, a shorty wetsuit and fins and to fool around under 3-4 meters of water for 10-20 minutes. No bcd, buddy, no deeper than few meters, not even close to NDL, just wanting to have few meters of water above me even if there is not much to see underwater of regular beaches.
I never tried it before. Do you think someone (especially beaches responsibles) will have anything against it? I am talking mainly about beaches in my area, Europe (Croatia, Greece, Turkey, etc).
Thank you.
Make sure you take a cutting tool. Nothing worse than a solo dive with limited air ending in a trapped scenario. Fishing line is anywhere there is water.