Thalassa Boutique Hotel - Adults Only, Argostoli (Kefalonia)

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From178US$ /night
Check-in
13Mar2026Select date
Check-out
14Mar2026Select date
Rooms and Guests2 Guests, 1 Room
Key details

About the Hotel

Lassi, Argostoli (Kefalonia), Greece, 28100
Perfect
9.2
9.2
/10
4.3
4.5
/5

Thalassa Boutique Hotel - Adults Only, a 4-star property with a 9.2/10 rating, offers a romantic and serene escape just above Paliostafida beach. This elegant hotel features two freshwater swimming pools, a fully equipped fitness center, and easy access to renowned beaches like Makris Gialos and Platis Gialos.

Rooms & Amenities

The rooms at Thalassa Boutique Hotel are designed for relaxation and elegance, featuring modern amenities with sea or garden views. Guests can choose from spacious accommodations, including Deluxe Suites and the exclusive White Suite with panoramic views. Most rooms boast private balconies or terraces for added comfort.

Dining & Leisure

Dining at Thalassa emphasizes local produce, with breakfast options including a regional buffet filled with homemade delicacies. Guests can visit the Eolia Pool Lounge, which offers light meals and cocktails, complemented by views of the lush surroundings. The Alaia Lounge Bar provides a stylish ambiance for evening gatherings and cocktails under the stars.

Wellness & Services

Thalassa Boutique Hotel emphasizes wellness with its fitness center equipped with state-of-the-art machines. Two swimming pools surrounded by Mediterranean gardens provide opportunities for relaxation. The hotel also offers concierge services to assist with excursions, ensuring guests can explore the beautiful island of Kefalonia.

Location & Transportation

Situated in a tranquil area, Thalassa Boutique Hotel is conveniently located near popular beaches and attractions. It is only 2 km from Argostoli, and local transportation options include frequent buses connecting Lassi with the capital. Guests can explore nearby landmarks such as the Archaeological Museum of Argostoli and Saint Spiridon Church.

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Select your room type

Thalassa Boutique Hotel - Adults Only offers a variety of rooms including double rooms, family rooms, and suites with breakfast, free cancelations, and special deals
Superior Double or Twin Room Garden View
2 persons
325 sq. feet 
1 Double bed
Heating
Balcony
Superior Double or Twin Room
2 persons
305 sq. feet 
1 Double bed
Heating
Balcony
Suite Sea View
2 persons
305 sq. feet 
1 Double bed
Heating
Balcony
Deluxe Double Room
2 persons
305 sq. feet 
1 Double bed
Heating
Balcony
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Facilities

Thalassa Boutique Hotel - Adults Only offers amenities for your comfortable stay and unforgettable experiences
Facilities: Perfect
9.3/10Review score

General

  • Non-smoking rooms
  • Wi-Fi
  • Parking
  • Safe deposit box
  • 24-hour reception
  • Pets allowed
  • Security
  • Adults only
  • Fireplace
  • Smoke detectors
  • Electric vehicle charging station
  • Fire extinguishers

Sports & Fitness

  • Fitness centre

Services

  • Airport shuttle
  • Room service
  • Housekeeping
  • Car hire
  • Laundry
  • Dry cleaning
  • Tours/Ticket assistance

Dining

  • Restaurant
  • Bar/ Lounge area

Business

  • Fax/Photocopying

Spa & Leisure

  • Seasonal outdoor pool
  • Beach umbrellas
  • Sun loungers
  • Sun terrace
  • Garden area
  • Spa centre
  • Back massage
  • Head massage
  • Full body massage
  • Foot massage

Room features

  • Air conditioning
  • Soundproofed rooms
  • Garden furniture
  • Ironing facilities

Bathroom

  • Free toiletries

Media

  • AM/FM alarm clock
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Thalassa Boutique Hotel - Adults Only Location

Lassi, Argostoli (Kefalonia), Greece, 28100
Map view
Lassi, Argostoli (Kefalonia), Greece, 28100
Nearby
Strada del Faro di San Teodoro
Casa Rossa
1500 ft
Beach
Paliostafida beach
1100 ft
Paralia Makris Gialos
1700 ft
Restaurants
Tzogias Taverna
2400 ft
Lassi
Aqua Marina
1900 ft
not known
Zorbas Restaurant
2300 ft
Main Lassi Rd
Tanu's
2200 ft
Restaurant
Butler's House
2700 ft
Lassi Aerodromiou Argostoli
Da Veronica Bar
2400 ft
Nearby Veronica's Jewellery
Da Veronica
2600 ft
Restaurant
Taverna Sirtaki
3000 ft
Main Road
Nefeli Restaurant
3000 ft
Restaurant
Getting around
City Centre
Argostoli (Kefalonia)24 min  ·  1.2 mi
Airports
Kefallinia Airport (EFL)10 min  ·  3.9 mi
Zakynthos International Airport (ZTH)185 min  ·  76.6 mi
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Property information and rules
Check-in
from 15:00-23:30
Check-out
from 01:00-11:00
Guest Parking
Private parking is possible on site for free.
Internet
Wireless internet is available in for free.
Breakfast
At the hotel Thalassa Boutique - Adults Only guests are invited to a full breakfast served for free. 
Children & extra beds
There are no extra beds provided in a room. 
Pets
Pets are allowed on request.
Year renovated:
2006
Number of rooms:
55
Former name
thalassa (adults only)

Reviews and Ratings

Feedback about Thalassa Boutique Hotel - Adults Only from previous guests about their experience.
Review score
Based on 270 verified reviews
9.2/10
Perfect
95%
Recommend
Breakfast
10.0/10
Cleanliness
9.5/10
Comfort
9.5/10
Facilities
9.3/10
Free Wi-Fi
9.5/10
Location
8.9/10
Paid Wi-Fi
10.0/10
Staff
9.5/10
Value for money
8.5/10
Guest reviews
based on 670 reviews
4.5/5
based on 344 reviews
9.2/10
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Check-in
13Mar2026Select date
Check-out
14Mar2026Select date
Rooms and Guests2 Guests, 1 Room