In April 2026, three trailer houses equipped with air conditioning, kitchens and wooden decks with barbecue grills were installed at the Hiezu Seaside Park campsite in Tottori Prefecture. Each unit accommodates up to four adults, with rates for two people ranging from 10,000 to 15,000 yen per night depending on the season. Rentals include sleeping bags, electric bicycles and pizza ovens.