Depending on what you order it can be pricey. $20 crab claw appetizer to give you an idea. The best entree I find is the broiled stuffed flounder. I don't remember how much it is but definitely over $30. Be aware that they are closed for winter right now.
We ate there every night we were there (7 people) everything was fresh - not frozen - it was Wonderful!!! We asked local people that worked in the area...they all said Captain Dave's, one said eat at any of the other seafood restaurants, then eat @ Captain Daves... then you would understand why. Their menu is on line.
Sorry...I ate there once and got grilled haddock.
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