I've taken mine 30-40 miles out of the pass. but usually no more than 20 miles offshore.  This was when i was doing a lot of diving, so depth was a factor, under 120 ft or less. Tried to keep it where there was not very much decompression time. 
 
I would have loved to have had the four stroke range back then.
		 
		
		
		
		
		
		
		
		
	
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