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Iwaki · Fukushima · スパリゾートハワイアンズ

Spa Resort Hawaiians

An indoor hot-spring water park under a large dome in Iwaki, Fukushima, with slides, a lazy river, a children's pool and a baby water-play area.

Overnight trip from Tokyo; hotel-guest buses run from the Tokyo area.

At a glance

Confirmed, not confirmed, unknown

Source-backed facts

What the official pages say

  • Spa Resort Hawaiians is in Tokiwa Fujiwara-cho, Iwaki City, Fukushima Prefecture.

    VerifiedSpa Resort HawaiiansChecked 2026-09-25

  • The pools are inside a large dome kept at 28°C year-round regardless of weather.

    VerifiedSpa Resort HawaiiansChecked 2026-09-25

  • The indoor dome is kept at the same temperature all year, so pool days are not weather-dependent.

    VerifiedSpa Resort HawaiiansChecked 2026-09-25

  • The 1,000 m² main pool has three types of water slides.

    VerifiedSpa Resort HawaiiansChecked 2026-09-25

  • There is a children's pool designed for parents and children together.

    VerifiedSpa Resort HawaiiansChecked 2026-09-25

  • Swim diapers are allowed in the baby water-play area.

    VerifiedSpa Resort HawaiiansChecked 2026-09-25

  • Water slides including BIG☆ALOHA are for riders 120 cm or taller.

    VerifiedSpa Resort HawaiiansChecked 2026-09-26

  • A free shuttle bus runs from JR Yumoto Station.

    VerifiedSpa Resort HawaiiansChecked 2026-09-25

  • Direct buses from several Tokyo-area locations are for hotel guests only.

    VerifiedSpa Resort HawaiiansChecked 2026-09-26

Editorial planning guidance

How it fits a trip

This is KodoTrip's judgement based on the facts above, not a statement from the operator.

Next step

Confirm current conditions.

Related: Indoor water play in Japan for rainy days with kids

Related: Water slide height limits at Japan family pools

Check the official site

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