Self-storage operators in Hawaii are enjoying increased occupancy, partly due to the multi-generations of families living at one residence.

Rather than throw out family heirlooms, furniture and other sentimental items, Hawaiians are turning to self-storage to safeguard their belongings. Hawaii also has a low square footage per capita, with few attics or basements, leaving homeowners few options for storage.

Naoi Yuen, director of business development at Hawaii Self-Storage, said the demand for storage continues to grow. There are 49 facilities in Oahu, according to Yuen. Nearly half were built between 2005 and 2008.

However, the self-storage boom has led to over building in some markets. The competition has led many operators to offer incentives including free Wi-Fi, 24-hour access, conference rooms and climate control.

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