The Sign Kocaeli Thermal Spa Hotel & Convention Center

Property class: 5 and above
Luxury hotel with 2 restaurants, near Sea of Marmara

Choose dates to view prices

The Sign Kocaeli Thermal Spa Hotel & Convention Center features a free kids' club and puts you just a 5-minute drive from Sea of Marmara. Guests can grab a bite to eat at one of the 2 restaurants and visit the spa to be pampered with massages, aromatherapy, or mani/pedis. Other highlights at this luxurious hotel include 3 indoor pools, a bar/lounge, and a steam room.

Reviews

7.6 out of 10
Good

Popular amenities

  • Pool
  • Spa
  • Airport transfer
  • Free parking
  • Free WiFi
  • Restaurant

Main amenities (12)

  • Daily housekeeping
  • 2 restaurants and bar/lounge
  • Full-service spa
  • 3 indoor pools
  • Hot springs
  • Free children's club
  • Steam room
  • Seasonal outdoor pool
  • Children's pool
  • Massage/treatment rooms
  • Conference center
  • Business center

For families (6)

  • Free cribs/infant beds
  • Children's pool
  • Children's club (free)
  • Playground on site
  • Private bathroom
  • Television
The current price is $75
$83 total
includes taxes & fees
Sep 23 - Sep 24

Why we love this property

Work and wellness blend
This hotel offers a business center and meeting rooms for productivity, plus a full-service spa with massages and body treatments for post-work rejuvenation.
Luxe pools for all seasons
This hotel boasts 3 indoor pools, a seasonal outdoor pool, and a children's pool. The pool area features comfortable loungers and umbrellas.
Spa oasis
A full-service spa offers aromatherapy, facials, and massage treatments. Turkish baths, mineral springs, and a garden create a serene sanctuary.

Room options

Available filters for rooms
Showing 2 of 2 rooms

View all photos for Standard Double or Twin Room

Hypo-allergenic bedding available, minibar, in-room safe

Standard Double or Twin Room

8.4 out of 10
Very good
(15 reviews)
  • 20 sq m
  • 1 bedroom
  • Sleeps 3
  • 1 Double Bed and 1 Twin Bed

View all photos for Suite, 1 Queen Bed, Connecting Rooms, Mountain View

Suite, 1 Queen Bed, Connecting Rooms, Mountain View | Hypo-allergenic bedding available, minibar, in-room safe

Suite, 1 Queen Bed, Connecting Rooms, Mountain View

  • Mountain view
  • 40 sq m
  • 1 bedroom
  • Sleeps 3
  • 1 Queen Bed

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  • Spa
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8.4 out of 10, Very good, 103 reviews
The price is $102
$114 total
includes taxes & fees
Sep 20 - Sep 21
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About the neighborhood

Map
Yeniköy Merkez Mah. Kültür Sk. No:40, Basiskele, Kocaeli, 41275

What's nearby

  • Yeni Cuma Mosque - 13 min drive - 13.6 km
  • Fevziye Mosque - 14 min drive - 14.0 km
  • Izmit Clock Tower - 14 min drive - 14.7 km
  • Museum of Archaeology and Ethnography - 14 min drive - 14.7 km
  • Sirri Pasha Mansion - 15 min drive - 15.1 km

Getting around

  • Izmit (KCO-Cengız Topel) - 25 min drive
  • Izmit Station - 17 min drive
  • Kosekoy Station - 19 min drive
  • Derince Station - 29 min drive
  • Airport shuttle (surcharge)

Restaurants

  • ‪Kadirga Tepesi - ‬12 min walk
  • ‪Gökbayrak Kardeşler Cafe&Büfe - ‬16 min walk
  • ‪Fika Kahve&Mutfak - ‬4 min walk
  • ‪Kahve & Sigara Molası ☕🚬✌ - ‬20 min walk
  • ‪Yeniköy Dondurma Sarayı - ‬18 min walk

About this property

The Sign Kocaeli Thermal Spa Hotel & Convention Center

  • The Sign Kocaeli Thermal Spa Hotel & Convention Center features a free kids' club and puts you just a 5-minute drive from Sea of Marmara. Guests can grab a bite to eat at one of the 2 restaurants and visit the spa to be pampered with massages, aromatherapy, or mani/pedis. Other highlights at this luxurious hotel include 3 indoor pools, a bar/lounge, and a steam room.

At a glance

Hotel size

    • 164 rooms

Arriving/Leaving

    • Check-in start time: 2:00 PM; Check-in end time: midnight
    • Minimum check-in age: 18
    • Check-out time is noon

Special check-in instructions

    • Front desk staff will greet guests on arrival at the property
    • Information provided by the property may be translated using automated translation tools

Required at check-in

    • Credit card, debit card, or cash deposit required for incidental charges
    • Government-issued photo ID may be required
    • Minimum check-in age is 18

Children

    • Free children's club

Pets

    • No pets or service animals allowed

Internet

    • Free WiFi in public areas
    • Free WiFi in rooms

Parking

    • Free onsite self parking

Transfers

    • Airport shuttle*

Other information

    • Designated smoking areas

Property amenities

Food and drink

  • 2 restaurants
  • Bar/lounge
  • Coffee/tea in a common area
  • Barbecue grills
  • Snack bar/deli

Traveling with children

  • Free children's club
  • Children's pool
  • Playground

What to do

  • Hot springs
  • Pool table
  • Skiing nearby

Working away

  • Business center
  • 4 meeting rooms
  • Conference center

Services

  • 24-hour front desk
  • Concierge services
  • Tour/ticket assistance
  • Dry cleaning/laundry services
  • Hair salon
  • Free newspapers in lobby
  • Luggage storage
  • Porter/bellhop
  • Pool loungers
  • Pool umbrellas

Facilities

  • Safe-deposit box at front desk
  • Garden
  • Terrace
  • 3 indoor pools
  • Seasonal outdoor pool
  • Arcade/game room
  • Full-service spa
  • Massage/treatment rooms
  • Steam room
  • Banquet hall

Accessibility

  • Wheelchair-accessible bathroom vanity
  • Elevator
  • Wheelchair accessible
  • Hand-held showerheads
  • Raised toilet seat
  • Lowered electrical outlets in bathroom
  • Low-height counter/sink
  • Height-adjustable showerhead
  • Grab bar near toilet
  • Grab bar in shower
  • Roll-in shower
  • Transfer shower
  • Thin carpet in room

Room amenities

Be entertained

  • LCD television
  • Satellite TV channels

Home comfort

  • Air conditioning (climate-controlled) and heating
  • Minibar
  • Bathrobes and slippers
  • Iron/ironing board (on request)

Sleep well

  • Hypo-allergenic bedding
  • Pillow menu
  • Soundproofed rooms
  • Turndown service
  • Free crib/infant bed

Freshen up

  • Private bathroom
  • Shower only
  • Free toiletries
  • Hair dryer
  • Towels

Stay connected

  • Laptop-friendly workspace
  • Free WiFi
  • Phone

More

  • Daily housekeeping
  • In-room safe

Special features

Spa

Guests can pamper themselves with a trip to the onsite spa, which has 8 treatment rooms. Services include facials, body scrubs, body treatments, and manicures and pedicures. A variety of treatment therapies are provided, including aromatherapy. The spa is equipped with a sauna, a steam room, and Turkish bath/hammam. There are hot springs on site.

Dining

Onsite venue - This buffet restaurant serves breakfast and dinner.
Onsite venue #2 - This restaurant specializes in Turkish cuisine and serves lunch and dinner.

Fees & policies

Optional extras

  • Airport shuttle service is offered for an extra charge

Children & extra beds

  • Rollaway beds are available for EUR 20.0 per day

Pool, spa, & gym (if applicable)

  • The seasonal pool is open from August 09 to September 10

Policies

Extra-person charges may apply and vary depending on property policy.

Guests can rest easy knowing there's a fire extinguisher on site.

This property accepts credit cards, debit cards and cash.

Credit cards accepted: Visa, Mastercard, American Express

Property Registration Number 12799

Also known as

Ness Thermal Spa Hotel Basiskele

Ness Thermal Spa Hotel

Ness Thermal Spa Basiskele

Ness Thermal Spa

The Ness Thermal Spa Hotel

The Sign Kocaeli Thermal Spa Hotel Convention Center

The Sign Kocaeli Thermal Spa Hotel & Convention Center Hotel

The Sign Kocaeli Thermal Spa Hotel & Convention Center Basiskele

Frequently asked questions

Is there a pool at The Sign Kocaeli Thermal Spa Hotel & Convention Center?

Yes, there are 3 indoor pools, a seasonal outdoor pool, and a children's pool.

Are pets allowed at The Sign Kocaeli Thermal Spa Hotel & Convention Center?

Sorry, pets and service animals aren't allowed.

Is parking offered on site at The Sign Kocaeli Thermal Spa Hotel & Convention Center?

Yes, there's free self parking.

Is airport shuttle service offered by The Sign Kocaeli Thermal Spa Hotel & Convention Center?

Yes, an airport shuttle is available.

What are the check-in and check-out times at The Sign Kocaeli Thermal Spa Hotel & Convention Center?

Check-in start time: 2:00 PM; Check-in end time: midnight. Check-out time is noon.

What is there to do at The Sign Kocaeli Thermal Spa Hotel & Convention Center and nearby?

Have fun with nearby winter activities like skiing. Additional recreation onsite includes hot springs. Indulge in a treatment at the spa and enjoy a swim in one of the 3 indoor swimming pools. The Sign Kocaeli Thermal Spa Hotel & Convention Center also has a seasonal outdoor pool, a steam room, and spa services, as well as an arcade and a garden.

Are there restaurants at or near The Sign Kocaeli Thermal Spa Hotel & Convention Center?

Yes, there are 2 onsite restaurants, featuring Turkish cuisine.

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Reviews

The Sign Kocaeli Thermal Spa Hotel & Convention Center Reviews

7.6

Good

7.8

Cleanliness

7.2

Location

7.8

Staff & service

7.6

Property conditions & facilities

Reviews

Verified review

8/10 Very good

Clean room, good staff, nice spot, very cheap. Perfect !
Verified review

2/10 Poor

The management called the police instead of confronting me because my children were a bit noisy in their rooms. Shame on you management
Verified review

8/10 Very good

Great place friendly staff
Verified review

10/10 Exceptional

İ choose this hotel because it's near to port. Hotel is very nice and good condition! Staff was very helpful, especially Mr Arslan at reception he try to help your ever request and kindly person! Highly recommended!!!
Verified review

10/10 Exceptional

Super toll
Verified review

4/10 Fair

Poor service, no air conditioning in 39c temp

Poor check in. Wanted to check in and go to a business meeting. Couldn’t get to one of the rooms as the key wasn’t working. Went down four times to reception and wasted 45 minutes and nearly missed my meeting. Hotel is not very clean. Air conditioning doesn’t work and when you ask for it to be fixed they lie to you and say we will get it to work which never happens. I travel every 6 weeks and I visited more than 120 hotels,”. This is the worst hotel I ever stayed in and I cannot believe it’s rated with five stars. I will never go back there ever again.
Verified review

8/10 Very good

Genel itibari ile güzel bir işletme fiyatı ve sunduğu imkânları düşününce çok avantajlı daha öncede konaklamıştım tekrar tekrar gelinebilecek bir yer
Verified review

6/10 Good

Personel güleryüzlü ve yardımseverdi fakat odada çift kişilik yatak yerine iki yatak birleştirilip tek yatak yapılmış tv de 2-3 kanal dışında hiçbir kanal yoktu ve lavabo tavandan damlatıyordu. Belki kaldığımız oda genelinde böyleydi diğer olanaklar yeterliydi havuz hamam olanakları gayet iyiydi
Verified review

10/10 Exceptional

Çok rahat ve konforlu bir otel
Verified review

8/10 Very good

Merkezi konumda manzarası olan güzel bir otel.
Verified review

4/10 Fair

Kapali su havuzu kullanilmiyordu , rezerve ederken bu bilgi verilmedi , kaldigimiz odanin dus gideri tikaliydi , oda kapisinin pili bitti uzun bir sure bekledik , elektrikler gitti vs hepsi ayni gun denk geldi
Verified review

8/10 Very good

Odalar temiz ve bakımlıydı, personel güler yüzlüydü ama çocuk oyun alanı var diye gittik içerisi aşırı bakımsız ve önemsenmemişti çocuğumuzu oyalanileceğimiz hiçbir şey yoktu
Verified review

6/10 Good

Chambre propre Personnelles inexistant Petit déjeuner et repas immangeable au prix exorbitant
Verified review

4/10 Fair

Temmuz 2026'da, 5 kişilik bir aile olarak 2 odada iki gece konakladık. Konaklamamızdan memnun kalmadık. Oteldeki her şey bozuktu: zeminler, kaydırak, kapalı havuz, kapalı oyun alanı, mobilyalar, duş kapıları. Saymaya devam edebiliriz. Ayrıca, hizmet de yetersizdi. Giriş işlemleri çok kaotikti. Kahvaltı sırasında ise çoğunlukla kendi aralarında konuşuyorlardı. Bu nedenle bu oteli tavsiye etmiyoruz.
Verified review

8/10 Very good

Havuz güzeldi, gittigimizde sendika toplantısı vardi, onun dışında olumsuz birşey olmadi, keyifliydi
Verified review

10/10 Exceptional

Rezervasyonum iki kişiydi kızım ve ben annem sonradan gelmeye karar verdi akrabalara bırakacaktım çok uzun yol geldim direk otele eşyaları bırakıp üzerimizi değişip annemi akrabaya bırakmaya gidecektim 84 yaşında kadını odaya bırakmadılar tamam hadi güvenlik diyelim kadın lobide oturdu biz çıkıp üzerimizi değişene kadar bir bardak su bile ikram edilmedi yaşlı kadına personel duyarsız davrandı
Verified review

10/10 Exceptional

Çok iyi ve mükemmel bir spa.
Verified review

6/10 Good

Çalışan arkadaşlar ilgiliydi. Termal havuz soğuktu ve tuvaletleri temiz degildi
Verified review

8/10 Very good

2 adet tek yatağı birleştirip çift kişilik yapmışlar yatak seviyeleri eşit değil muhtemelen bir yatak eski diğer yatak ondan daha eski
Verified review

6/10 Good

Burası termal bir otel ancak termal havuz çok soğuk acaba soğuk termal otel mi demek lazım?
Verified review

6/10 Good

Kullanmadım
Verified review

8/10 Very good

Oda temiz, çalışanlar yardımcı oluyor, karma havuzu olması güzel ve aileler için ideal.
Verified review

6/10 Good

Kahvaltı ücretini ödememize rağmen sabah restoran bölümünde tekrar ücret istediler. Konuyu anlatmaya çalıştığımız personelin tavırları saygısız ve ilgisizceydi.
Verified review

10/10 Exceptional

Süper
Verified review

6/10 Good

7.katta kaldık, 30-40 sn aralıkla asansörüm gümbür gümbür vurma sesini gece boyu dinledik. Banyoda su neredeyse akmıyor seviyede az geliyor. Ortak kullanılan havuzun sisteminin bozuk olduğu söylendi, buz gibi suya girerek Termal tatil keyfi yaptık. Tek iyi nokta garsonların tavırları ve yemeklerin kalitesi diyebilirim.