If you don't have a car, it's a bit complicated to get around this sparsely-populated region of Iceland. You can, however, take the TREX bus to Árskógssandur, which coincides with the ferry to Hrísey. Beware: the 17:00 ferry is normally the last to connect with a bus in Árskógssandur (departing at 17:15). You also must call TREX buses in advance (461 1106) and ask to be picked up at the ferry dock. Finally, be sure to double-check all bus schedules at the Akureyri bus station before you depart, as timetables change frequently and without prior notice.
The ferry "Sævar" departs from Árskógssandur to the island of Hrísey regularly. Travel time is around 15 minutes.
As of June 2007, departure times from Árskógssandur were 9:30, 11:30, and 13:30 -- then hourly until 19:30 -- and every two hours thereafter until 23:30. Departures from Hrísey were 9:00, 11:00, 13:00 -- then hourly until 19:00 -- and every two hours thereafter until 23:00. After 15 August, ferries merely depart every two hours all day. Round trip on the ferry costs Kr 800 per person.
If you're driving, there is ample parking at the ferry dock (the ferry is for foot passengers only). By bus, it's a bit trickier, but buses do run from Akureyri and Dalvik to coincide with the ferry. In June 2007, the 12:35 departure from Akureyri got you to the dock in time for the 13:30 ferry departure. The 17:00 ferry connected with the return bus to Akureyri. Be sure to double-check the schedules at the tourist office before attempting a day trip. Also, be sure to call ahead (tel 461-1106) to let the bus company know you want to be picked up at the Árskógssandur ferry dock. Bus fare from Akureyri to Árskógssandur is Kr 900 one-way, Kr 1620 round-trip.
In addition to ferrying locals and tourists between Árskógssandur and Hrísey, the ferry Sævar also serves a valuable function of ferrying cargo. It carries many animals back and forth as well (Hrísey is the pet quarantine center of Iceland), but in this case, we observed a number of fresh fish packed in ice being unloaded. Undoubtedly, these Hrísey fish were destined to end up on many dinner plates. As we waited to depart, I observed the boat's mini-crane unload the icy crates.