Very expensive entry fee, $40, and the place is very much aimed at kids. Though the jellyfish exhibition is worth the $40 in itself, not the "jellyfish experience" but the low lit exhibition
Bring a small, lint free cloth in your pocket. Many small hands leave many small hand prints. Use the cloth to wipe off the hand prints, especially if you are taking photos.
The world-class Aquarium is on historic Cannery Row in Monterey and open daily except Christmas. Hours at www.montereybayaquarium.org or (831) 648-4888.