What Spa Castle is and who runs it
Spa Castle is a Korean-style bathhouse chain with locations in New York City and New Jersey. It operates as a for-profit business, not a government program or nonprofit — you pay an entry fee to use the facilities for the day. The company runs multiple locations, each with the same basic layout: gender-separated bathing areas, saunas, hot tubs, and common spaces where men and women mix.
Unlike a typical gym or day spa, Spa Castle functions more like a public bathhouse. You pay once at the door and can stay as long as the facility is open that day. Most locations operate from early morning until late at night, and some stay open 24 hours on weekends. The business model depends on high volume — many people using the same facilities throughout the day — rather than appointments or membership.
Key Takeaways
- Spa Castle charges a single day-use fee (amounts vary by location and day of week) rather than requiring membership or advance booking.
- The facility separates men and women in bathing areas, but common spaces like restaurants, saunas, and sleeping areas are mixed-gender.
- You will need to bring or rent a locker key, towel, and bathing suit; most locations sell or rent these items if you arrive without them.
- First-time visitors should arrive early to learn the layout and understand the bathing etiquette before peak hours.
- Spa Castle is a commercial business, not a covered health service, so costs are out-of-pocket and not reimbursable through insurance.
Entry fees and what they cover
Spa Castle charges different rates depending on the day of the week and time of day. Weekday rates are typically lower than weekend rates, and some locations offer discounted entry during off-peak hours (usually early morning or late night). The fee covers access to all bathing areas, saunas, hot tubs, and common spaces for the entire day — you do not pay extra to use individual facilities once you are inside.
The entry fee does not include food, beverages, or rental items. If you want to eat, you will pay separately at the on-site restaurant or snack bar. Towels, bathing suits, and lockers are usually included, but if you forget your own towel or suit, you can rent or purchase one at the front desk for an additional cost. Some locations also charge extra for services like massage or body scrubs, which are offered by staff in designated areas.
Check the Spa Castle website or call ahead before your visit, because rates change by location and are updated seasonally. Prices also shift during holidays and special events.
How the bathing areas are organized
When you enter, you will find separate bathing areas for men and women. Each side typically includes a series of hot tubs at different temperatures, cold plunge pools, saunas (both dry and steam), and shower stations. The layout allows you to move between pools and saunas at your own pace — there are no scheduled times or group sessions.
The gender separation applies only to the bathing areas themselves. Common spaces like the restaurant, sleeping areas, and some saunas are mixed-gender. This is standard in Korean bathhouse culture and is why many people bring family members or friends — you can bathe separately and then meet up in the common areas.
Most locations also have a jade sauna or clay sauna, which is a heated room where you can sit on the floor. These are typically mixed-gender and do not require bathing suits. The temperature in these saunas is usually lower than traditional saunas, making them more comfortable for longer stays.
What to bring and what to rent
You will need a bathing suit for the gender-separated bathing areas. Bring your own if you have one, or rent one at the front desk. You also need a towel — again, bring your own or rent one. Most locations provide basic towels with your entry fee, but if you want a larger or higher-quality towel, you may pay extra.
Bring toiletries if you have preferences (shampoo, body wash, lotion), though most facilities provide basic soap and shampoo at the bathing stations. A change of clothes for after you bathe is essential. Some people also bring flip-flops or shower shoes, though many facilities have them available.
Leave valuables at home or use a locker. Spa Castle provides lockers, and you will receive a key or wristband to access yours. The locker fee is usually included in your entry fee, but confirm this when you arrive. Do not leave cash or jewelry unattended in the bathing areas.
Bathing etiquette and what happens on your first visit
Korean bathhouse etiquette differs from American gym culture. You are expected to shower thoroughly before entering any pool or hot tub — this is not optional. Use the shower stations provided, wash your entire body with soap, and rinse completely. After you shower, you can enter the bathing areas.
In the bathing areas, you will see people of all ages, including children and elderly visitors. Nudity is normal and expected in gender-separated bathing areas — bathing suits are not worn in the pools themselves, only in common areas. If you are uncomfortable with this, Spa Castle may not be the right fit for you.
On your first visit, arrive early and take time to explore. Ask staff where the different pools and saunas are located. Watch what others do before you jump in — you will quickly see the rhythm. Most people move between hot tubs, cold pools, and saunas in a cycle, spending 10 to 20 minutes in each. There is no rush; you can stay as long as you want.
Do not run, push, or splash other visitors. Keep noise at a reasonable level. If you use a body scrub service (offered by staff), this happens in a designated area and is a separate transaction.
Locations and hours
Spa Castle operates multiple locations in the New York City area and New Jersey. Each location has slightly different hours and amenities. Most open early in the morning (around 6 or 7 a.m.) and stay open until midnight or later. Some locations are open 24 hours on Friday and Saturday nights.
Hours change seasonally and on holidays, so check the Spa Castle website or call your nearest location before you go. If you are planning a late-night visit, confirm that the location you want to visit is actually open — not all locations have the same schedule.
Food and sleeping areas
Most Spa Castle locations have a restaurant or snack bar where you can order Korean food, noodles, rice bowls, and beverages. Prices are typical for a casual restaurant — not cheap, but not expensive. You can eat in the dining area, which is mixed-gender and often crowded during peak hours.
Many locations also have sleeping areas — rooms with mats or beds where you can rest or sleep. These are mixed-gender common spaces. Some people visit Spa Castle specifically to spend the night, especially on weekends. If you plan to sleep, bring a change of clothes and toiletries for the next morning.
Frequently Asked Questions
Do I need to book in advance or can I just show up?
You can show up without a reservation. Spa Castle operates on a walk-in basis, and you pay at the front desk when you arrive. During peak hours (weekends, evenings), the facility may be crowded, but they do not turn people away. Arriving early or during off-peak times means shorter waits and more space in the bathing areas.
Can children go to Spa Castle?
Yes, children are welcome in most locations. They bathe in the gender-separated areas with a parent or guardian of the same gender. Young children often bathe with their mothers in the women's area. Check with your specific location about any age restrictions or policies for very young children.
What if I have never been to a Korean bathhouse before?
First-time visitors should arrive early, ask staff for a tour or explanation, and observe other visitors before jumping in. The bathing sequence (shower, hot tub, cold pool, sauna, repeat) becomes clear quickly. Staff are used to first-timers and can answer questions about how things work.
Is Spa Castle covered by health insurance?
No. Spa Castle is a commercial leisure facility, not a medical service. Your health insurance will not cover the cost of entry or any services. You pay out-of-pocket for all fees.
What should I do if I lose my locker key?
Tell a staff member when ready. They can help you access your locker or provide a replacement key. Do not try to force the locker open. Staff will also help if you forget which locker is yours.