Hiya, Adam, and welcome to planDisney! I'm always happy to hear from a fellow Magic Keyholder!
Adam, you are absolutely right - each
Disneyland Magic Key is a park hopper after 11:00 AM (time subject to change). If you have a
theme park reservation for either park, you are welcome to use your Magic Key for entrance at either park after that time. Also, did you know that if you purchase a
Lightning Lane Multi Pass during your park day, you can use it to book return times at either park? Just be sure that the return time is after 11:00 AM for whichever park you don't have the initial reservation for - you will need to wait until you can park hop to redeem it!
Adam, there is so much going on at the Disneyland Resort this year! Right now the
Disney California Adventure Food & Wine Festival is happening and there are so many new food offerings this year! Visit the Disney Parks Blog to check out the
Foodie Guide for this year's event, and don't forget to use your Magic Key for a discount on the eight entitlement Sip and Savor Pass (subject to change). It's the tastiest way to experience all of the festival offerings!
I hope this information helps! Please come back if you have any other questions.
See you in the parks,
Melissa