Complex sentence: The Hardy boys visit the wreck of the "Resolute" where they attempt to retrieve the handwriting samples however their boat drifts off and they are detained by the Coast Guard before they are able to reach their stateroom.
Split into simpler sentences: The Hardy boys visit the wreck of the "Resolute" where they attempt to retrieve the handwriting samples. However, their boat drifts off and they are detained by the Coast Guard before they are able to reach their stateroom.