Spa Resort Hawaiians

Spa Resort Hawaiians (スパリゾートハワイアンズ) is Japan's largest indoor water park, a surreal tropical complex featuring constant 28°C air temperature, palm trees, white sand beaches, and massive water slides — all located in Fukushima's mountains far from any ocean. The resort originated as a recovery project after local coal mines closed in the 1960s; miners drilled hot spring wells and transformed the mining town into a spa destination. The facility uses natural geothermal hot springs (42°C, 3.5 million liters daily) to heat the pools and maintain tropical climate year-round, even during Fukushima's snowy winters.

The complex includes six themed zones: Water Park (giant slides, wave pool), Springs Park (outdoor rotenburo), Spa Garden (relaxation pools), Virport (fitness pools), Edo Jowa Yoichi (Edo-period theme baths), and the highlight — daily Polynesian hula shows performed by the resort's professional dance troupe, who train under Hawaiian instructors. The hula shows (twice daily, included with admission) feature fire dancing, traditional Hawaiian music, and elaborate costumes. The combination of hot springs, water slides, and tropical atmosphere creates an otherworldly experience completely unexpected in northern Japan.

The resort's origin story is central to how it is remembered locally — as Joban's coal mines closed through the 1960s in the face of Japan's shift toward petroleum, thousands of mining jobs disappeared and the town faced the kind of economic collapse that hit many of Japan's coal regions during the same period. Rather than simply accept decline, local leaders and former miners repurposed the geothermal knowledge and hot spring access the mining operations had already uncovered, retraining mine workers as resort staff and hula performers in a deliberate, community-wide reinvention that is still taught in Japanese business schools as a case study in regional economic transformation.

That history gives the resort's Hawaiian theme a different resonance than a purely decorative choice would carry — the hula dance troupe was established specifically to give former mining families new livelihoods, and many of today's performers and staff are descendants of the original miners whose jobs the resort was built to replace. The facility survived a significant setback after the 2011 earthquake and tsunami damaged the complex and temporarily halted operations, and the eventual full reopening was treated locally as a marker of the wider Iwaki region's recovery, reinforcing the resort's role as more than simply an entertainment venue for the surrounding community.