Enoshima Island Spa is the hot-spring and pool complex on Enoshima, the small island at the end of the Shonan coast about an hour from Tokyo, with the Enoshima Hotel built above it. It is one of the easiest onsen day trips from the city and one of the strictest places on that coast about who may go in. This page sets out what the operator publishes: preschool children cannot enter the bathing floors at all, tattoos of any kind are refused, including stickers and henna, the shuttle will not carry a child under six, and hotel guests use the spa free.
If you are building a day around it, our guide to getting from Tokyo to Kamakura covers the trains that also reach Enoshima, and the Great Buddha of Kamakura is the obvious second stop.
Enoshima Island Spa at a glance
| Item | Official rule |
|---|---|
| Children in the baths and pools | Preschool age: not admitted, any day. Elementary age and up: with a same-sex guardian. |
| Opposite-sex changing rooms | Not allowed from age 7 or 120 cm, whichever comes first. |
| Tattoos | Refused, including stickers, single-point designs and henna. Covering with a rash guard is not accepted. |
| Hotel check-in / checkout | 15:00 / 11:00, at the B1 front desk. |
| Cancellation | 3 days 20%, 2 days 30%, day before 80%, same day 100%. |
| Spa for hotel guests | Free for the whole stay. |
| Day-use price | Set per date. Late September 2026: 3,750 yen weekdays, 4,750 yen weekends. |
| Shuttle bus | Runs to a timetable. No child seats, so under-6s cannot ride. |
| Parking | Public lots on the island. 12,000 yen on one receipt covers up to 4 hours. |
Who can actually go in: the age rules at Enoshima Island Spa
This is the part that sends families home disappointed, and it is not written anywhere in English except here.
Preschool children cannot enter the bathing floors
The rule is absolute and repeated twice on the official FAQ: for safety reasons, preschool children may not enter the bathing facilities, on any day of the week. Not with a parent, not in the outdoor pool, not in the quiet hours. If you are here with a four-year-old, the spa is not available to your family; the Island Grill restaurant is, on every day, for preschool and elementary-age children alike.
From elementary school, with a guardian of the same sex
Children of elementary-school age can use the hot springs and pools when accompanied by a guardian of the same sex, a rule the facility dates to April 2025. The same-sex condition is not a formality: it is the condition on which admission rests.
Seven, or 120 cm, whichever comes first
Separately, a child who is seven or older or taller than 120 cm may not use the changing room or bath of the opposite sex. Height is included precisely because it catches tall six-year-olds. For a single parent with a child of the other sex, this is the rule that decides whether the trip works at all.
Where the mixed area is, and what you wear in it
The spa area, the restaurant, the relaxation room and the treatment areas are shared by men and women, and you wear a swimsuit in the spa area. The locker rooms and the natural hot spring, Fujikai-yu, are separated by sex. Swimsuits are lent to adults only, from 770 yen including tax, so bring one for a child who is old enough to go in.
What you may and may not bring to the island spa pools
The allowed list
Goggles, a swim cap (optional), sunglasses, beach sandals for the pool area only, towels, and a phone, camera-phone or smartwatch. Photography is banned in parts of the building, and the facility asks you not to use a device there rather than banning the device itself.
The refused list, and the reason behind two of them
Rubber rings, beach balls, floats, parasols, sun oil and outside food and drink are all refused. Rings and floats are lent instead, some free and some paid, in limited numbers. Cotton T-shirts are banned because they dirty the water, and wetsuits are not allowed at all, which catches surfers coming off the Shonan beaches.
What you can wear
A rash guard made of swimsuit fabric is fine, top and bottom, provided it is not being used to cover a tattoo. Very revealing swimwear, including micro bikinis and thongs for either sex, is refused, and staff may speak to you if they judge that what you are wearing bothers other guests.
You can arrive empty-handed
House wear and towels are provided, chargeable on some plans, and the baths are stocked with shampoo, conditioner, body soap, make-up remover, lotion and milk. For a day trip from Tokyo that means a small bag is enough. No reservation is needed for the baths and pools; the Benten Spa treatments and the Island Grill are better booked ahead.
Staying at the Enoshima Hotel above the spa
Check-in, checkout and a cancellation clock that starts early
Check-in is from 15:00 and checkout by 11:00, at the front desk on basement level one of the Enoshima Hotel. The cancellation schedule is the detail to note: 20 percent from three days out, 30 percent two days out, 80 percent the day before and 100 percent on the day. Tokyo business hotels typically charge nothing until the day before, so this is a resort-style clock on a day-trip-distance hotel.
The rooms
Floors two to four are Hollywood twins, themed by floor: modern on the second, Asian on the third and Japanese on the fourth, with view rooms on the third and fourth. The fifth floor has a junior suite with a living area and a large bathroom, and a suite with its own open-air bath looking over Sagami Bay. The hotel is small, which is why weekends go early.
The spa is included, and that is the whole argument
Guests use the hot springs and spa free from check-in day through checkout day. Compare that with a day-use ticket priced per date and the maths is straightforward for anyone who wants more than one bath. The rules do not change for guests: the children and tattoo conditions apply the same way.
When to come
The island is busiest on summer weekends and during fireworks nights. Late autumn and winter give you the bath with Mount Fuji across the bay on a clear afternoon, which is the reason to come at all; our guide to the best time to visit Tokyo covers which months are clearest.
Getting to Enoshima, parking and paying
The shuttle will not take a child under six
A courtesy vehicle runs to a published timetable, with stops listed on the access page. It carries no child seats, so children under six cannot ride. Island events and road races suspend it, and the facility posts that in its news section. With small children, plan to walk or take a taxi from the station.
Parking is on the island, and the discount has conditions
There are three public car parks on Enoshima: the tourist association lot, the Nagisa lot and the prefectural lot. Spend 12,000 yen or more on a single receipt at the main building and up to four hours of ordinary-car parking is covered according to your length of stay. Shareholder vouchers, entry tickets and pre-purchased electronic tickets are excluded from that total, and large vehicles such as campers do not qualify. Bring the parking ticket to the till.
The partner lot has a cheaper rate
At the tourist association lot, which normally charges 400 yen an hour for an ordinary car, the facility sells a voucher at 200 yen an hour. If you have booked a Benten Spa treatment in advance there is a free dedicated car park or a partner lot with a voucher covering up to five hours.
How you can pay
Cash, PayPay, LINE Pay, credit cards (Visa, Mastercard, JCB, American Express, Diners), transport IC cards and iD. Notably not accepted: au PAY, Merpay, Rakuten Pay and d-barai. If your Japan payment plan rests on one of those, bring a card or cash; our guide to cash and ATMs in Japan covers which machines take foreign cards.
Is a trip to the Enoshima spa worth the hour from Tokyo?
It is worth it if you can clear the rules, and it is a wasted fare if you cannot. The draw is real: a bath looking over Sagami Bay, an outdoor pool on an island, and a train ride that takes about an hour from Shinjuku or Tokyo. The catch is that this is not a family bathhouse in the way a Hakone ryokan is, and it is not a place that bends its tattoo rule for visitors.
Come as a couple or with older children
Two adults, or a parent and a child of the same sex who is at elementary school, get the most out of it. The mixed spa area in swimwear means you can spend the day together rather than splitting at the changing rooms, which is rare in Japan and is the thing people remember.
The day-trip shape that works
Morning in Kamakura, afternoon on the island, bath before the light goes, dinner at the Island Grill or back in Fujisawa. The Enoden line links the two, and the walk across the bridge to the island takes about ten minutes from Katase-Enoshima station. If you have a toddler, do Kamakura and the beach instead and leave the spa for another trip.
Booking notes
Advance entry tickets are cheaper than paying at the door, but they do not count towards the 12,000 yen parking threshold, which is a trap for drivers. The Benten Spa treatments and the Island Grill are worth reserving; the baths are not reservable and do not need to be. And check the calendar, because the facility closes on certain days and prices every other day differently.
Frequently asked questions
Can children use Enoshima Island Spa?
Why does the same-sex rule matter for a family?
Are tattoos allowed at Enoshima Island Spa?
What can I take into the pool area?
What are the hotel’s check-in times and cancellation rules?
Do hotel guests pay for the spa?
How much is a day visit?
Is there parking, and is it free?
Bottom line: Enoshima Island Spa is an hour from Tokyo and it says no to more people than most onsen. Preschool children cannot enter the baths or pools at all. From seven, or 120 cm, a child needs a guardian of the same sex. Tattoos are refused outright, stickers and henna included, and covering one is not allowed. The shuttle carries no under-6s. If you clear all of that, staying at the hotel above makes the spa free for the whole visit, with check-in at 15:00, checkout at 11:00 and cancellation charges from three days out. As of September 24, 2026.
Sources
Rules and figures are from Enoshima Island Spa’s own site: the FAQ and the price and calendar page, both read on September 24, 2026. Day-use prices are set per date and the figures quoted are what the calendar showed on that day. Confirm on the official site before you travel.
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