If the antarctic ice melted sea levels would rise around 60-65 meters, then you've got to add the ice on Greenland/Canada etc, so yes, if it all melted. There is a staggering amount of ice in antarctica.
I'm not sure where you got this from, but it's likely to have been 125,000 years since the arctic was last ice-free, and even then no-one can say whether it was completely ice free in summer or not.
Ice floating on the water, as at the arctic, will not raise sea levels when it melts, but ice...
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