The Nautical Mart is a store that only appears in the episode, "No Nose Knows."
Squidward buys flowers and other various things here.
Based on Squidward's description of the products he bought, it sells things that are organic.
Role in the series
It was featured at the beginning of "No Nose Knows" when Squidward leaves after getting his groceries.
|| "Barg'N-Mart, meeting all of your spatula needs!"