Really enjoyed our stay at the Hilo Hawaiian during our first ever visit to Big Island. The hotel staff was friendly, and they provided complimentary water bottles and a nice water station that helped with our day adventures. Location near the airport is very convenient--literally walkable to Liliuokalani Park, Suisan Fish Market, and Hilo Bay Cafe. 45 minutes to Volcanoes National Park, 30 minutes to Akaka Falls--less to the Hawaii Tropical Botanical Garden.
The hotel is older, and the rooms could use some renovation. The walls are thin, so corridor noise is pretty evident. We came on the last day of Merrie Monarch, so the first night was somewhat noisy. The rooms are super spacious, though, and the exterior walls are soundproof enough that the sound of planes taking off and landing at nearby Hilo Airport aren't that bad.
Would definitely stay here again next time we're on Big Island!