Thalassa Boutique Hotel - Adults Only: Argostoli (Kefalonia), Kefalonia
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Key details
About the Hotel
Lassi, Argostoli (Kefalonia), 28100,
-
Near the beach
Perfect
9.1
9.2
/10
4.8
4.5
/5
Loved by Thalassa Boutique Hotel - Adults Only guests
Panorama Sea View
Unique Cocktail Bar
Proximity to Beaches
Large Walk-in Showers
High Standard Design
"The pools were great and the breakfast was superb, one of the best buffet breakfasts I've had on the island."
Alisha from United Kingdom
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"Lovely room and the pool area is spectacular."
Neil from United Kingdom
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"The elegance of the rooms, pools and restaurants."
Andrea from United Kingdom
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"Such a nice vacation... such a nice adult only hotel.rooms are so nice Great 2 swimming pools."
yael s from Israel
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4-star adults-only boutique hotel in Lassi with swim-up rooms and Ionian Sea views
Pools & Recreation
The hotel has two freshwater swimming pools surrounded by lush Mediterranean gardens. A sun terrace with sun loungers and umbrellas is available during the seasonal pool operation. A well-equipped fitness center is on site for guests who want to stay active.
Rooms & Suites
Accommodations include exclusive swim-up rooms with shared pool access, a feature not commonly offered by other local hotels. Many rooms provide balconies with views over the Ionian Sea. Each room is air-conditioned and includes a TV with satellite channels and a safety deposit box.
Dining & Bar
A gourmet breakfast is served daily, emphasizing organic and locally sourced ingredients. The on-site Alaia Lounge Bar offers evening cocktails with sea views. The restaurant provides customized dining experiences in scenic outdoor settings.
Location & Services
The hotel is situated 250 metres from Makris Gialos Beach and in the centre of Lassi village, close to restaurants and shops. Free private on-site parking is available, and a concierge service assists with local arrangements. Argostoli city center is a short taxi or bus ride away.
Wellness & Spa
Spa facilities are available, offering a range of massage treatments including back, foot, and full body massages. The hotel also features a fitness centre for guests who wish to stay active. Sun loungers and umbrellas are provided at the pool area.
Highlights
Adults-only: Tranquil atmosphere with no children
Swim-up rooms: Exclusive shared pool access
Breakfast: Gourmet buffet with organic local ingredients
Pools: Two freshwater pools with Mediterranean gardens
Beach: Makris Gialos Beach 250 meters away
Spa: Full-body and specialty massages
Parking: Free private on-site parking
Must-do experiences
Visit the Melissani Cave for breathtaking natural beauty.
Savor fresh seafood at Tzivras Fish Tavern near the harbor.
Take a stroll in the picturesque Koutavos Lagoon at sunset.
Explore the Archaeological Museum of Argostoli for rich history.
Discover local crafts at the Argostoli Market on Saturdays.
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
2 persons
28 sq. feet
1 Double bed
Air conditioning
Balcony
room details
Superior Double or Twin Room Garden View
2 persons
30 sq. feet
1 Double bed
Air conditioning
Balcony
room details
Deluxe Double Room
2 persons
28 sq. feet
1 Double bed
Air conditioning
Balcony
room details
Show all rooms
Price and Room Availability Calendar
Check availability and prices for your dates now!
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Check-in/ Check-out
Facilities
Thalassa Boutique Hotel - Adults Only offers amenities for your comfortable stay and unforgettable experiences
Facilities: Perfect
9.2/10Review 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
Guest Parking
Private parking is possible on site for free.
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
Show more
Thalassa Boutique Hotel - Adults Only Location
Lassi, Argostoli (Kefalonia), 28100,
Explore Argostoli (Kefalonia)
Activities and Dining Near Thalassa Boutique Hotel
Top Attractions
Activities
Dining
Entertainment
Makris Gialos Beach
10 minutes walking
Renowned for its pristine sand and crystal-clear waters, perfect for sunbathing and swimming.
Casa Rossa
9 minutes walking
A historical mansion showcasing beautiful architecture and cultural exhibits, reflecting local heritage.
Bridge De Bosset
10 minutes driving
A stunning bridge with scenic views, ideal for photography enthusiasts and leisurely walks.
Argostoli Lagoon
30 minutes walking
A tranquil natural area perfect for birdwatching, walking trails, and enjoying the local flora.
Outdoor Kefalonia
7 minutes walking
Offers kayaking and snorkeling adventures in beautiful settings, suitable for both thrill-seekers and nature lovers.
Tennis Club Argostoli
8 minutes walking
A great option for sports enthusiasts, offering rental courts and coaching available for players of all levels.
Aqua Marina
7 minutes walking
Known for its Mediterranean dishes and fresh seafood, featuring a relaxed atmosphere overlooking the sea.
Tzogias Taverna
9 minutes walking
Delicious local cuisine in a cozy setting, famous for its traditional Greek dishes and warm hospitality.
Zorbas Restaurant
9 minutes walking
Casual dining with a diverse menu, specializing in grilled meats and vegetarian options, perfect for all diners.
Aquarius Bar
10 minutes walking
A vibrant bar with a lively atmosphere featuring cocktails and regular live music events, ideal for night outings.
So Simple Music Bar
10 minutes walking
Popular for its relaxed vibe and diverse live performances, offering a cozy space for socializing any night of the week.
Getting around
City Centre
Argostoli (Kefalonia) 24 min · 1.2 mi
Airports
Kefalonia (EFL) 10 min · 3.9 mi
Dionysios Solomos (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 the entire hotel 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 380 verified reviews
9.1 /10
Perfect
92 %
Recommend
Breakfast
10.0/10
Cleanliness
9.4/10
Comfort
9.4/10
Facilities
9.2/10
Free Wi-Fi
9.4/10
Location
9.0/10
Paid Wi-Fi
10.0/10
Staff
9.4/10
Value for money
8.5/10
Pros
Attentive staff service
Quality breakfast selection
Comfortable room decor
Fine sea views
Cons
Inconsistent room quality
Poor air conditioning
Overpriced food prices
Insufficient sunbed availability
Guest reviews
based on 670 reviews
4.5/5
based on 378 reviews
9.1/10
No reviews yet on our siteUnfortunately, our guests have not yet left any reviews for this hotel, but you can read reviews from Booking.com.