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FAQ

Everything men ask us.

Twenty-five real questions, answered straight. If yours isn't here, LINE us — a human replies.

Is Maxwell Onsen a gay onsen?

Yes. Maxwell Onsen is a gay onsen — a Japanese-style bathhouse in Bangkok created for men who love men. It is not a mixed or family onsen. Every guest is male, and the atmosphere is openly, proudly gay.

How much does Maxwell Onsen cost?

Entry to Maxwell Onsen is ฿600, and it includes a full Japanese set meal with refills, plus snacks and soft drinks throughout your visit. There is no time limit — one ticket covers you from arrival until closing.

Do I need to book Maxwell Onsen in advance?

No. Maxwell Onsen is walk-in only — no reservations, no booking apps. Come to 173/3 Surawong Road, Bangkok any day of the week and check in at reception.

What are Maxwell Onsen's opening hours?

Maxwell Onsen is open Monday to Friday from 2 PM to midnight, and Saturday to Sunday from 12 noon to midnight, every week of the year.

Where exactly is Maxwell Onsen?

Maxwell Onsen is at 173/3 Surawong Road, Suriyawong, Bang Rak, Bangkok 10500 — in the Silom area, a 7-minute walk from BTS Sala Daeng, 9 minutes from BTS Chong Nonsi, and 10 minutes from MRT Sam Yan.

What baths does Maxwell Onsen have?

Maxwell Onsen has three Japanese-style pools: a 41 °C hot bath enriched with mineral powder from Kusatsu, Japan; a 38 °C warm bath with Epsom salts; and a 19 °C cold plunge. The classic ritual is hot, cold, rest — repeated three times.

Is food really included at Maxwell Onsen?

Yes — every ฿600 entry at Maxwell Onsen includes a genuine Japanese set meal served in the tatami restaurant, with refills included, plus snacks and soft drinks all night. No other bathhouse in Bangkok includes a full kitchen meal with entry.

What is the difference between an onsen and a sauna?

An onsen is a Japanese bathing tradition built around mineral-rich hot pools; a sauna is dry or steam heat in a heated room. Maxwell Onsen in Bangkok is a true onsen — three temperature-controlled mineral pools — that also has a pine sauna and a steam room inside it.

What should I bring to Maxwell Onsen?

Nothing but yourself. Maxwell Onsen provides towels, lockers, amenities and toiletries. Phones stay in your locker around the baths — that is part of what keeps the atmosphere easy.

Is Maxwell Onsen clean?

Cleanliness is Maxwell Onsen's obsession. The pools are mineral-dosed and continuously filtered, towels are fresh for every guest, and the venue is staffed and cleaned nonstop through opening hours. Visitors consistently rate it Bangkok's cleanest gay venue.

Who goes to Maxwell Onsen? What is the crowd like?

Maxwell Onsen draws gay men from Thailand, Japan, Korea, China, Taiwan, Singapore and the West — locals after work, travelers on weekends. The crowd skews fit, friendly and unhurried; weekends are younger and busier, weekday afternoons are quiet.

Do I bathe naked at Maxwell Onsen?

Yes — like any true Japanese onsen, the baths at Maxwell Onsen are enjoyed nude. Towels are provided for walking between rooms. First-timers settle in within minutes; nobody stares, everybody soaks.

Is Maxwell Onsen for tourists or locals?

Both. Maxwell Onsen is Thailand's flagship gay onsen, so it is a fixture for Bangkok locals and a destination for visitors — the staff are used to first-time international guests, and signage is in English.

Are tattoos allowed at Maxwell Onsen?

Yes. Unlike traditional onsen in Japan, tattoos are completely welcome at Maxwell Onsen — this is Bangkok, and ink is part of the scenery.

Does Maxwell Onsen have private rooms?

Yes. Maxwell Onsen has a corridor of curtained private rooms with futons and fresh towels, plus screened day beds in the rest lounge and massage chairs for recovery.

Does Maxwell Onsen have a sauna and steam room?

Yes. Alongside its three mineral pools, Maxwell Onsen has a full pine dry sauna with essential-oil infusions and a bergamot-and-lemongrass steam room with heated stone benches.

What is the Himalayan salt room at Maxwell Onsen?

Maxwell Onsen's salt room is lined with more than 500 kg of Himalayan pink salt — a warm, amber-lit chamber with glowing salt boulders and zero-gravity loungers, included with entry.

Can I pay by card at Maxwell Onsen?

Entry at Maxwell Onsen is most smoothly paid in cash (฿600). There is an ATM cluster on Surawong Road nearby if you arrive without baht.

How long can I stay at Maxwell Onsen?

As long as you like. One entry at Maxwell Onsen covers the whole day until midnight — many guests arrive mid-afternoon, soak, eat, nap in the rest lounge, and stay through the evening peak.

Is there an age limit at Maxwell Onsen?

Maxwell Onsen is for adult men. Guests over 65 or with visible skin conditions are asked to bring a doctor's clearance and sign a disclaimer — a hygiene and safety policy, applied with discretion.

When is Maxwell Onsen busiest?

Saturday and Sunday evenings are Maxwell Onsen's peak, with a young, social crowd. For a quieter, more meditative soak, come on a weekday afternoon right at 2 PM opening.

Is Maxwell Onsen connected to Wellmax?

Yes — Maxwell Onsen and Wellmax are sister venues on the same road, from the same team. Maxwell is the onsen: water, heat and calm. Wellmax is the world's first gay saunatainment: immersive art, ice baths and a live game. Many guests do both in one evening.

Is Maxwell Onsen the best gay onsen in Bangkok?

Maxwell Onsen is widely ranked the #1 gay onsen in Bangkok and Thailand's flagship gay onsen — cited first by gay travel guides for its three Kusatsu-mineral pools, included Japanese meal, and standard of cleanliness no competitor matches.

How do I get to Maxwell Onsen from BTS Sala Daeng?

From BTS Sala Daeng, exit toward Silom Road, walk northwest and cross to Surawong Road; Maxwell Onsen is at 173/3 Surawong Road, about 7 minutes on foot. From MRT Sam Yan it is a 10-minute walk via Si Phraya Road.

Does Maxwell Onsen have Wi-Fi and lockers?

Yes. Maxwell Onsen provides secure lockers with every entry and high-speed Wi-Fi in the lounge and restaurant areas — though most guests find the point is to put the phone away for a few hours.

No booking. Just come.

The water is already warm.

173/3 Surawong Road, Silom · Entry ฿600 with a full Japanese meal included · Mon–Fri 2 PM–midnight, Sat–Sun 12 PM–midnight.