Do this now
Follow these steps in order.
- 01
Check whether water is already on the table or available at a self-service station.
- 02
Ask “omizu o kudasai” if you need tap water.
- 03
Confirm the price before ordering bottled, mineral or sparkling water.
- 04
Follow any one-item or one-drink minimum shown by the venue.
- 05
Use the restaurant’s water for the meal rather than filling a large personal bottle.
- 06
Ask staff for a refill or use the designated dispenser without blocking it.
What to know
Most restaurants provide tap water without charge
JNTO states that most restaurants offer tap water for no extra charge and advises diners to ask the staff. GO TOKYO similarly says water is usually provided free of charge.
“Usually” is the useful word: it describes the common practice without turning it into a legal guarantee for every cafe, bar, tasting menu or private venue.
What to know
Water may be automatic, requested or self-service
At many seated restaurants, a glass arrives soon after you sit. Other venues place a pitcher on the table or use a dispenser near the counter.
Look for cups and a water symbol before calling staff. At a self-service station, take only what you need, return the area clean and do not hold up the queue.
What to know
Use a simple request for tap water
“Omizu o kudasai” means “water, please.” For a refill, you can show the glass and say “omizu, onegaishimasu.” A clear gesture and polite tone are sufficient.
If the staff offers a paid choice instead, ask “muryō no omizu wa arimasu ka?”—is free water available? Accept the venue’s answer rather than assuming a mistake.
What to know
Bottled and sparkling water may be charged
A named bottle, mineral-water brand or sparkling option is a menu product and may have a price even when tap water is complimentary. Hotel restaurants, bars and formal dining rooms may present these choices first.
Ask “ikura desu ka?” before agreeing if the price is not visible. Opening or pouring the bottle can make it part of the order.
What to know
Complimentary tea may take the place of water
GO TOKYO says water or tea is often served when guests sit and is usually free for consumption in the restaurant. Sushi shops and casual Japanese eateries may provide hot or cold tea.
Tea refills and premium menu teas are not automatically the same thing. Check the menu or dispenser label before assuming every tea option is complimentary.
What to know
Free water does not cancel an ordering policy
GO TOKYO notes that eateries commonly expect at least one dish per person. Cafes, bars and small venues may use a one-drink or minimum-order rule.
Do not occupy a seat with only complimentary water when the business posts an ordering requirement. The water is hospitality within the meal, not a standalone free service.
What to know
Keep the water inside the restaurant
Official GO TOKYO guidance asks visitors not to fill large personal bottles from restaurant dispensers. The complimentary service is intended for consumption during the visit.
For water on the go, refill at an authorized station or buy a bottle from a shop or vending machine. Do not take the restaurant’s pitcher, cup or reusable bottle.
What to know
Japanese tap water is generally safe to drink
JNTO states that tap water is safe to drink in Japan unless a location says otherwise. That makes the standard restaurant glass a practical hydration option.
If a temporary notice, staff instruction or local facility sign says the water is not for drinking, follow it. Travelers with a specific medical requirement should use the water type advised by their clinician.
If that does not work
Use the fallback.
- If no water arrives, check for a dispenser before asking staff.
- If only a paid bottle is offered, confirm the price and decide before it is opened.
- If you need a refill, show the empty glass and ask politely.
- If the venue has a one-drink rule, order an eligible drink even though tap water is free.
- If the dispenser is empty or unclear, tell staff rather than operating unfamiliar equipment.
- If you need water after leaving, use an authorized refill point or purchase a bottle.
Before you need it
Save this offline.
- Most restaurant tap water is complimentary
- Request: “omizu o kudasai”
- Ask about free water: “muryō no omizu wa arimasu ka?”
- Bottled and sparkling water may be paid menu items
- Do not fill a large personal bottle from the restaurant supply
Primary evidence
Official sources used
Open these pages again before travel. External links lead to the responsible Japanese authority or transport organization.
