We are a family with young children in Iceland for 5 days. Any ideas for itineraries?
If you're going to be in or around Reykjavik, I'd suggest some of the following activities:
Public swimming pools, all heated and open for swimming all year long.
Perlan Museum, Saga Museum.
Whales of Iceland, Flyover Iceland, new Lava Exhibit (unsure of the name).
Climb the tower of the Hallgrimskirke for an awesome view of the city.
Visit a hot dog stand for Icelands favorite street food.
Great suggestions from the first poster.
I also suggest that you check out the TripAdvisor Iceland forum. This question gets asked a lot.