Mapping for lowrance

Tried to search for this as I'm sure it's been asked. I just received a lowrance hook 4 and I'm wondering if I need to buy the "nautical insight" map or if it's preloaded with good enough maps already. I'll be fishing Alaska coastal waters. Thanks!


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When I bought my lowrance hook 4 I had to buy the maps    And there was a choice that had to made between lakes or inshore waters. 


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Not sure how good a deal you got on your hook 4, but I bought mine from bass pro and it came with aftermarket mapping software and a screen cover for 199.00

If you didn't get a better deal maybe you can return and pick it up there.