Possible Clues:

• Settlement mostly in Costa Rican currency
• What each of this puzzle's theme answers should have
• Part of body; some punctuation
• You've got it in you: ike that
• Stop - part of intestine
• Part of body; two dots
• Punctuation, in the intestine?
• That's the punctuation that's in us
• Pass over a Caribbean port
• There's a pass on this: like that