Learn English – Usage of “which” or “that”


I'm a bit confused with the correct answer in this phrase:

In Florida, you can explore the Everglades or the beaches, _______
are relaxing places.

Is it "which are relaxing places" or "that are relaxing places"?
Thanks for the help!

Best Answer

When you say 'which,' you're generally saying something without which the sentence would be complete (counter example is this sentence).

In the case you describe, you should say 'which,' because saying beaches are relaxing is an aside following a comma. In cases like those, the rules are clearer. If you want a comma, say 'which;' if you don't want a comma, say 'that.' But choose to say 'which' when what follows is more of a detail than an essential part of the sentence.