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From178US$ /night
Check-in
19Jan2026Select date
Check-out
20Jan2026Select date
Rooms and Guests2 Guests, 1 Room
Key details

About the Hotel

Lassi, Argostoli (Kefalonia), Greece, 28100
-
Close to the beach
Perfect
9.2
9.1
/10
4.3
/5

Location

Thalassa Boutique Hotel is situated in the scenic Lassi area, 2 km from Argostoli and 500 meters from Makris Gialos beach. The hotel boasts stunning views of the Paliostafida Bay due to its elevated position. Guests can easily access numerous picturesque beaches and attractions across Kefalonia from this strategic location.

Rooms & Suites

The hotel offers 70 luxurious, spacious rooms and suites, each showcasing sea or garden views. Options include Deluxe Swim-Up rooms with shared pools and suites designed for utmost comfort and style. All accommodations are equipped with modern amenities, ensuring guests have a relaxing and rejuvenating stay.

Dining

Eolia Pool Lounge serves Mediterranean dishes made from fresh, organic ingredients sourced from the hotel's gardens. Guests can enjoy an extensive breakfast menu, including local specialities, served until 11 am. The Alaia Lounge Bar offers a variety of cocktails and beverages in a serene setting overlooking the sea.

Wellness & Fitness

The hotel features a massage room and a fully equipped gym with Technogym equipment, allowing guests to maintain their fitness routines. A range of personalized wellness experiences are available, tailored to enhance relaxation and rejuvenation. Guests can unwind in the two freshwater swimming pools surrounded by lush Mediterranean gardens.

Pet-Friendly Facilities

The hotel welcomes guests with pets, providing a pet-friendly environment complete with plenty of open space in lush gardens. Simba, the hotel's mascot, adds a unique touch to the experience for animal lovers. Guests can create joyful memories with their furry companions during their stay.

Highlights

Location: 500 meters from Makris Gialos beach

Rooms: 70 luxury rooms & suites

Dining: Eolia Pool Lounge with homemade delicacies

Wellness: Two swimming pools and massages available

Pet-Friendly: Welcomes guests with pets

“This adults-only boutique hotel crafts an intimate atmosphere near Kefalonia's beaches. The pools are framed by lush gardens, perfect for tranquil days. Expect curated experiences here, where local flavors meet luxury.”
Hotel logo
James DavidEditor-in-Chief at Tohotel
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Select your room type

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

The hotel offers amenities for your comfortable stay and unforgettable experiences

General

  • Non-smoking rooms
  • Free Wi-Fi
  • Free 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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Dining Onsite

At Thalassa Boutique Hotel - Adults Only, dining transcends mere meals, presenting guests with a medley of Mediterranean flavors and local delicacies. Enjoy sun-drenched lunches and delightful breakfasts in a setting that embraces the stunning sea views, where every bite tells a story of authenticity and culinary artistry.
Thalassa Boutique Hotel - Adults Only Argostoli  Restaurant photo

Thalassa Restaurant

Mediterranean
Ambiance
With a serene atmosphere and breathtaking sea views, Thalassa Restaurant offers a relaxed yet elegant dining experience, perfectly complementing the hotel's luxurious setting.
Key Offerings
Indulge in a selection of local delicacies, ranging from freshly caught fish to savory meats, accompanied by exquisite Kefalonian cheeses and sumptuous desserts. Lunch is a leisurely affair, allowing guests to take their time and savor each moment.
Reservation
Recommendations for reservations are not specified.
Open for lunch daily from 14:00 to 16:00.

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
Explore Argostoli (Kefalonia)
Experience Lassi: Activities & Dining
Top Attractions
Activities
Dining
Entertainment
Makris Gialos Beach
Makris Gialos Beach
10-minute walk
Golden sands and crystal-clear waters make this beach ideal for sunbathing and swimming.
Casa Rossa
Casa Rossa
9-minute walk
A historic mansion that captivates with its architecture and scenic views, perfect for a leisurely visit.
Bridge De Bosset and its Monument
Bridge De Bosset and its Monument
10-minute drive
This iconic bridge offers stunning views and historical significance, great for a quick photo op.
Argostoli Harbour
Argostoli Harbour
5-minute drive
A bustling harbor area filled with shops and cafes, perfect for relaxing and enjoying the seaside atmosphere.
Water Sports at Platis Gialos
16-minute walk
Thrilling water sports like jet skiing and parasailing offer an adrenaline-filled day at the beach.
Yoga Classes
10-minute walk
Relaxing yoga sessions by the sea provide tranquility and wellness amidst the beautiful scenery.
Tzogias Taverna
Tzogias Taverna
9-minute walk
Traditional Greek food in a cozy setting, known for its moussaka and fresh seafood.
Aqua Marina
Aqua Marina
7-minute walk
A vibrant atmosphere with Mediterranean dishes and stunning views from the terrace.
Butler's House
Butler's House
10-minute walk
Intimate dining with gourmet cuisine, offering a farm-to-table experience and elegant ambiance.
Kefalonia's Nightlife
5-minute drive
Bars and clubs with live music create a lively nightlife scene ideal for all ages.
Local Festivals
10-minute drive
Seasonal cultural events feature local music, dance, and cuisine for a family-friendly experience.
Getting around
City Centre
Argostoli (Kefalonia)24 min  ·  1.2 mi
Airports
Kefallinia Airport (EFL)10 min  ·  3.9 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
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)
Questions of the users
About Thalassa Boutique Hotel - Adults Only
What arrangements are in place if I happen to arrive after the standard check-in time?
12 November 2024
Check-in is available 24/7, so there's no need to worry about late arrivals. The hotel team is ready to assist you at any hour.
Is it possible to have a reliable Wi-Fi connection in my room for important work calls?
29 December 2024
Complimentary Wi-Fi is provided in all rooms, ensuring you can connect seamlessly for video calls or streaming.
Are there provisions for making coffee and tea in the rooms, and will I find pool towels available during my stay?
5 February 2025
Each room is equipped with tea and coffee making facilities, and pool towels are provided for your convenience.
What size are the double beds in the hotel rooms? Are they larger than standard?
15 March 2025
Double rooms feature king-size beds, measuring 1.80m x 2.00m, providing a spacious and comfortable sleeping experience.
Can I add an extra bed in a double room for my young child, and are there age limitations that I should be aware of?
23 April 2025
An extra bed can be requested for a child, but please specify their age, as additional charges may apply depending on this.
What is the distance from the hotel to the nearest beach, and is it easily accessible?
14 June 2024
The popular Makris Gialos beach is just 500 meters away, making it easy to enjoy a day by the sea.
Are the dining experiences provided in the hotel suitable for special dietary needs?
9 August 2025
The hotel prides itself on its cuisine, with a variety of options available. Guests with dietary restrictions are encouraged to communicate their needs to ensure a delightful dining experience.
How can I arrange transportation from the airport to the hotel upon my arrival?
30 September 2024
Free private transfers from Kefalonia Airport are offered for stays of seven nights or more. For shorter stays, local taxi services are available.
What types of amenities can I expect near the hotel for leisure activities or local excursions?
18 October 2025
The hotel's location allows for easy access to water sports, local shops, and attractions, with organized excursions available through the concierge.
Can I enjoy cocktails at the hotel, and what kind of ambiance does the lounge offer?
7 December 2024
Yes, the Alaia Lounge Bar serves a variety of cocktails in a stylish setting that offers stunning views of the sea, making it a perfect spot for relaxation.

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