Passenger accommodation consists of monoclass unidirectional 2+2 abreast seating, with wide seats and a seating pitch of . The first eight half-sets delivered had green-coloured seats in the six-cars sets (evoking the forests of Hakone) and blue-coloured seats in the four-car sets (evoking the sea of Enoshima), but from 1999 onward, the seats in all sets was standardized with grey and brown seat covers. Wheelchair spaces are located in cars 5 and 8. Refreshment counters are provided in cars 3 and 9. Toilets are provided in cars 2, 5, and 8, and the toilet in car 5 is a
universal access type. File:OER-EXE30000-inside.jpg|The passenger saloon interior in March 2007 File:OER-EXE30000-inside-Seat.jpg|Seating in March 2007 File:OER 30100 inside service counter.jpg|A refreshment counter in November 2011 ==History==