There are user reports, but no specific information is available. Therefore, there is insufficient data to make a definitive judgment.
The official website of 北谷温泉 レクー沖縄北谷スパ&リゾート states that individuals with tattoos are allowed to enter, but only if they can be completely covered using the provided 8cm x 10cm cover stickers. If a tattoo cannot be fully concealed, admission may be denied. Since there are no user reports available, this assessment is based on the official information.
For Vessel Hotel Campana Okinawa, bathing with tattoos is allowed only if covered by a 8cm x 10cm cover seal provided at the front desk. However, due to lack of explicit statement, the actual practice remains unclear.