Available rooms Overview Facilities Map Setup a Price Alert Write a review

Hostel Koisi Hostel

Paseo de Heriz 38, San Sebastián, 20008 (show map)

Very good

3020 verified reviews

1/40

See rooms & prices »

Hostel Overview

Set in El Antiguo district in San Sebastián, 800 metres from Ondarreta beach, Koisi Hostel features stylish air-conditioned rooms with free WiFi and a communal terrace.
At Koisi Hostel you can find both private and dormitory rooms. All dormitory rooms come with capsule bunk beds and nightlight. Some rooms come with private bathroom with shower. Bed linen is provided.
You can enjoy the communal lounge, and the glass roof top terrace where the bar and restaurant are placed. The restaurant offers traditional pintxos, and a wide range of homemade meals, including several vegetarian options.
Other facilities include touristic activities organisation, a 24-hour front desk at the property where touristic advice is provided. Padlocks are available for sale at the reception.
El Antiguo district offers shops and bars within a short walking distance. This area is popular for surfing, cultural activities and its gastronomy.
La Concha beach is 1 km away from Koisi Hostel, while El Peine del Viento is 1.5 km away. San Sebastián Airport is 18 km from the property.

Lock in a great price now and relax with our Price Guardian working for you

Hotel prices fluctuate. Book now, we will check prices each day for you and then let you know how to re-book if an even better price becomes available.

When would you like to stay at Koisi Hostel ?

Check-in - Check-out

Rooms

Adults

Children

See Deals >

Rooms List

Deluxe Family Room with Private Bathroom - enter dates to see room photos

This spacious room offers sea view and features an en-suite bathroom, a double bed and 2 modern bunk beds.

Family Room with Shared Bathroom - enter dates to see room photos

This family room comes with a double bed and 2 bunk beds. It gives access to a shared bathroom with shower.

Bed in 8-Bed Mixed Dormitory Room with Private Bathroom - enter dates to see room photos

This single bed is a capsule bunk bed, it comes with a night light and an electric plug. This dormitory includes a private bathroom with shower.

Bed in 6-Bed Mixed Dormitory Room with Private Bathroom - enter dates to see room photos

This single bed is a capsule bunk bed, it comes with a night light and a plug. This dormitory includes a private bathroom with shower.

Bed in 4-Bed Mixed Dormitory Room with Private Bathroom - enter dates to see room photos

This single bed is a capsule bunk bed, it comes with a night light and a plug. This dormitory includes a private bathroom with shower.

Bed in 6-Bed Mixed Dormitory Room with Shared Bathroom - enter dates to see room photos

This single bed is a capsule bunk bed, it comes with a night light and a plug. It gives access to a shared bathroom with shower.

Bed in 8-Bed Female Dormitory Room with Private Bathroom - enter dates to see room photos

This single bed in a female dormitory room is a capsule bunk bed, it comes with a night light and a plug. It includes a private bathroom with shower.

Bed in 6-Bed Female Dormitory Room with Private Bathroom - enter dates to see room photos

This single bed in a female dormitory room is a capsule bunk bed, it comes with a night light and a plug. It includes a private bathroom with shower.

Twin Room with Private Bathroom - enter dates to see room photos

This room has 2 single beds with a nightlight and a plug and a private bathroom with shower.

Family Room with Private Bathroom - enter dates to see room photos

This family room features air conditioning, 2 single beds and 2 bunk beds. It comes with a private bathroom with shower.

6-Bed Room with Private Bathroom - enter dates to see room photos

The family room provides air conditioning and soundproof walls, as well as a private bathroom featuring a shower. Rooms on the upper floors are reachable by lift. The unit offers 6 beds.

Quadruple Room with Bathroom - enter dates to see room photos

The quadruple room offers air conditioning and soundproof walls, as well as a private bathroom featuring a shower. The unit offers 4 beds.

8-Bed Room with Private Bathroom - enter dates to see room photos

The family room provides air conditioning, soundproof walls, as well as a private bathroom featuring a shower. The family room offers a tiled floor and heating. The unit offers 8 beds.

6-Bed Room with SharedBathroom - enter dates to see room photos

The family room features air conditioning and soundproof walls, as well as a shared bathroom boasting a shower. The unit has 6 beds.

Map

Setup a Price Alert for Koisi Hostel

Each day we'll check prices and send you an email for your selected dates at Koisi Hostel. If you don't have specific dates but would like to check prices for say next weekend or say next month we can check the price too.

When the hotel goes on sale you will know straight away from the daily email and be able to book with confidence that you've got excellent value.

Please enter your email

First name

Number of adults

Number of children

How far ahead do you need to book?

7 days
14 days
28 days
Weekend
I have specific dates

Nights you want to stay

Start price alert now

protected by reCAPTCHA

PrivacyTerms

Facilities of Koisi Hostel

General
Pets allowed, WiFi everywhere

Services
Free WiFi, Internet services, WiFi

Food & Drink
Bar, Packed lunches, Restaurant, Snack bar

Transportation
Airport shuttle, Airport shuttle (surcharge)

Front-desk/reception area services
24-hour front desk, Concierge service, Express check-in/check-out, Lockers, Tour desk

Common areas
Shared lounge/TV area, Sun terrace, Terrace

Cleaning services
Laundry

Business facilities
Fax/photocopying

Miscellaneous
Air conditioning, Facilities for disabled guests, Family rooms, Heating, Lift, Non-smoking rooms, Non-smoking throughout, Soundproof rooms

Room facilities [ These may vary room to room ]
Air Conditioning, Balcony, Bathroom, City view, Cleaning products, Clothes rack, Entire unit wheelchair accessible, Flat-screen TV, Hairdryer, Heating, Linen, Outdoor furniture, Shared Bathroom, Shower, Soundproofing, Terrace, Tile/Marble floor, Toilet, Towels, Towels/Sheets (extra fee), Upper floors accessible by lift, View, Wardrobe/Closet

Last updated: 18 Jul 2025 - Update now

Hotel Policies

Check-In
15:00:00- hours

Check-Out
-11:00:00 hours

Cancellation / Prepayment
Cancellation, prepayment and 'book now pay later' policies vary according to room type. Please check the room conditions when selecting your room above.

Accepted credit cards
The hotel reserves the right to pre-authorise credit cards prior to arrival.

The fine print
Please note that when booking 3 or more rooms, or reservations for more than 9 guests, different policies and additional supplements may apply.
Children under 18 years of age cannot stay in shared rooms.
Please note that towels are only provided in private rooms, and available for rent in shared ones.
Dogs are welcome at Koisi! A supplement of € 10 per night and pet applies. Maximum two dogs. This service is only available upon request and subject to confirmation by the property, It is necessary to notify it when making the reservation. Pets are not allowed in shared rooms.
If you travel with family or friends, we will do everything possible so that you all stay in the same room, but we cannot guarantee it. If you want to make sure you'll all be together, we recommend booking a private room or a full shared room.
Koisi Hostel reserves the right to refuse entry to any male booked in a female dormitory room.Guests are required to show a photo identification and credit card upon check-in. Please note that all Special Requests are subject to availability and additional charges may apply.

Traveller reviews

Very good

3020 verified reviews

Click to write a review and share your experience of Koisi Hostel with other travellers.

Please enter your email

First name

Last name

Your overall rating of this property

<< Click to rate

Title of your review

Your review

What sort of trip was this?

Hotel Ratings (Click to select a rating)

Service

Rooms

Location

Submit your review

“Superb”

9.0

11 Jul 2025

Great staff especially Sofia the girl in reception

Christa Lou

“Good”

7.0

23 Jun 2025

Its near the beach, lots of restaurants nearby. Clean hostel and friendly staffs. Bed and pillow are comfortable.

paulina

“Fair”

6.0

22 Jun 2025

kitchen was okay clean bathrooms free hairdryer available

Sofiane Bordji

“Superb”

9.0

22 Jun 2025

Every things was fine except the neighbors they weren't friendly with theirs quiet signs in their windows.

Select Currency

Select Language

GETAROOM DEALS

Map

Why make a Getaroom.com.au Reservation?

#{title}

#{title}

#{title}

Hostel Koisi Hostel

Paseo de Heriz 38, San Sebastián, 20008 (show map)

Hostel Overview

Lock in a great price now and relax with our Price Guardian working for you

Rooms List

Deluxe Family Room with Private Bathroom - enter dates to see room photos

Family Room with Shared Bathroom - enter dates to see room photos

Bed in 8-Bed Mixed Dormitory Room with Private Bathroom - enter dates to see room photos

Bed in 6-Bed Mixed Dormitory Room with Private Bathroom - enter dates to see room photos

Bed in 4-Bed Mixed Dormitory Room with Private Bathroom - enter dates to see room photos

Bed in 6-Bed Mixed Dormitory Room with Shared Bathroom - enter dates to see room photos

Bed in 8-Bed Female Dormitory Room with Private Bathroom - enter dates to see room photos

Bed in 6-Bed Female Dormitory Room with Private Bathroom - enter dates to see room photos

Twin Room with Private Bathroom - enter dates to see room photos

Family Room with Private Bathroom - enter dates to see room photos

6-Bed Room with Private Bathroom - enter dates to see room photos

Quadruple Room with Bathroom - enter dates to see room photos

8-Bed Room with Private Bathroom - enter dates to see room photos

6-Bed Room with SharedBathroom - enter dates to see room photos

Map

Setup a Price Alert for Koisi Hostel

Facilities of Koisi Hostel

Hotel Policies

Traveller reviews

Hotel Ratings (Click to select a rating)

“Superb”

“Good”

“Fair”

“Superb”

More hotels in

GETAROOM DEALS

Map

Why make a Getaroom.com.au Reservation?

#{title}

#{title}

#{title}

Hostel Koisi Hostel

Paseo de Heriz 38, San Sebastián, 20008 (show map)

Hostel Overview

Lock in a great price now and relax with our Price Guardian working for you

Rooms List

Deluxe Family Room with Private Bathroom - enter dates to see room photos

Family Room with Shared Bathroom - enter dates to see room photos

Bed in 8-Bed Mixed Dormitory Room with Private Bathroom - enter dates to see room photos

Bed in 6-Bed Mixed Dormitory Room with Private Bathroom - enter dates to see room photos

Bed in 4-Bed Mixed Dormitory Room with Private Bathroom - enter dates to see room photos

Bed in 6-Bed Mixed Dormitory Room with Shared Bathroom - enter dates to see room photos

Bed in 8-Bed Female Dormitory Room with Private Bathroom - enter dates to see room photos

Bed in 6-Bed Female Dormitory Room with Private Bathroom - enter dates to see room photos

Twin Room with Private Bathroom - enter dates to see room photos

Family Room with Private Bathroom - enter dates to see room photos

6-Bed Room with Private Bathroom - enter dates to see room photos

Quadruple Room with Bathroom - enter dates to see room photos

8-Bed Room with Private Bathroom - enter dates to see room photos

6-Bed Room with SharedBathroom - enter dates to see room photos

Map

Setup a Price Alert for Koisi Hostel

Facilities of Koisi Hostel

Hotel Policies

Traveller reviews

Hotel Ratings (Click to select a rating)

“Superb”

“Good”

“Fair”

“Superb”

More hotels in

Never miss a deal in San Sebastián