Directions from Airport:
Shuttle services :

Roberts Hawaii Shuttle: (808) 831-1555 (24-hours service)

Speedi Shuttles: (808) 242-7777

Book 24-48 hours in advance. Contact the company to check the shuttle prices. Tell them you’re going to the Hawaiian Seaside Hostel on Seaside Avenue. Estimated travel time is 30 to 60 minutes.
To find Roberts Hawaii Shuttles in the airport, proceed to Ground Transportation. Look for Robert’s Shuttle personnel in their yellow coats.
Your return trip can also be booked 24-48 hours in advance.

Bus : Takes 19 or 20 to Waikiki. Exit at Seaside Ave in front of the Starbucks at the Waikiki Trade Center / International Market place. Cross the main road (Kuhio Ave) and continue Mauka (toward the mountains) down Seaside Ave 50 meters. Look for the Surfboard Hostel sign there, 419 Seaside Ave: We are at the end of the driveway. The Bus Fare fluctuates. Estimate travel time is 1 hour. Also important to note that luggage is not allowed on the bus, so this method is not recommended for those travelling with more than just a backpacker’s backpack.