Featuring quiet street views, Sudomari senka Sanju is situated in the Shirahama Onsen district of Shirahama, 400 metres from Shirarahama Beach and 1.4 km from Ezura Beach. Complimentary WiFi is available throughout the property and private parking is available on site. The apartment has family rooms. Accommodation is fitted with air conditioning, a fully equipped kitchenette, a TV and a private bathroom with bidet, slippers and a hair dryer. A microwave and fridge are also featured, as well as a kettle. At the apartment complex, each unit includes bed linen and towels. The apartment is located in a geothermal area, with a number of hot springs nearby for guests to relax in. Rinkaiura Beach is 1.9 km from the apartment, while Shirahama Art Museum is 1.8 km from the property. The nearest airport is Nanki–Shirahama Airport, 2 km from Sudomari senka Sanju.