This is a typical local supermarket. The only one left. (used to have 3 some decades back)
Check it out. A small cafe on the second floor serves you coffee and Waffles and if you are lucky they might have a hamburger also.
What to buy: Check out the freezer - they have some good frozen fish and meat.
Upstairs, you can buy fishing equipment, boot, toys, cutlery, and some other stuff.
Downstairs you can get pharmasy stuff, beer, normal groceries.
What to pay: Normal Norwegian cost
Please visit Botnhamn anyway, but if you're only passing by and hope to get over to Kvaløya be aware that The Ferry between Botnhamn and Brennsholmen is only open during the summertime.
Check out if it goes or not. If not you will really be stuck in either in Botnhamn or at Brennsholmen and driving around takes quite some hours.
www.malangsforbindelsen.com will give you the timetable.
Apart from this if you manage to get on the boat and everything is alright - enjoy the trip - it is beautiful.
Unique Suggestions: If you are stuck in Botnhamn - take advantage of the fact that it is a cosy little village and drive yourself to the end of the road - Laukvik and enjoy the beautiful view.
Check if the local store is open, check it out.
Fun Alternatives: If you only came here for the ferry - you must turn around - go to Finnsnes and drive all the way round to Tromsø.
Just walk, cycle, do whatever you want. You are off the beaten path nomatter how you twist and turn yourself.
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