Here are the things you will miss out on....
–Restaurants: Most in-town restaurants were closed for the season. –Wildlife: Although you can still take a wildlife cruise in Seward in the Spring, you will miss out on the longer, more in-depth cruises. –Dogsledding: Every Dogsled outfit we looked into was closed in April.
-Most of the park is still closed in April, so you will miss out on many of the attractions. -National Park bus tours are not operating.