Wedding In Mexico

We have rec`d an invitation to a wedding at a resort in Mexico. There is no way we are going to spend the money to fly and stay in MX for someone`s daughter that lives several hundred miles away and we have seen only a few times. Why would the bride`s parents send invitations to a wedding that no one but family will attend? Shouldn`t they have a reception locally for people they are expecting gifts from?

Just wondering about this invite -