Atlantica Belvedere Resort - Adults Only is a 5-star beachfront retreat in Kardamena, Kos, Greece. Located about 13.6mi from Kos city center, the address is Kardamena, offering an adults-only escape by the sea. Prices start from $374, and the property has 99 reviews.

Facilities include a private pool, spa and wellness packages, and a restaurant, plus a private beach area (free) and an outdoor swimming pool (free). On-site perks include private parking (free) and free WiFi, room service, and a fitness center (free). For business or events, meeting and banquet facilities are available with extra charges, and water sports on site are offered for an extra fee. Other highlights: steam room, spa, sauna (extra charges), air conditioning, a tennis court (free), a bar, and massage options (extra charges). Convenience extends to 24-hour front desk service, non-smoking rooms, beach umbrellas and chairs (free), garden views, elevator access, terraces, balconies, free toiletries, and bathtubs.

With a garden and terrace ambience, several room features include garden views, balconies, and free toiletries in non-smoking rooms, while the lively scene of live music performances (free) adds a memorable touch to evenings.

Set along a sun-kissed beachfront, this adults-only 5-star escape offers plenty of ways to unwind. Guests can linger on the private beach area (free) or take a dip in the outdoor pool (free), then drift into spa bliss with wellness packages, a steam room, and spa treatments (sauna available for an extra charge). For activity, a tennis court is free to use and water sports on site are available for an extra fee, while conveniences like private parking and free WiFi keep daily rhythms smooth. Free beach umbrellas and chairs, plus garden views, terraces, and balconies, round out a relaxed, beachside vibe.

Dining is a highlight with three on-site options: Main Restaurant serving International fare in a Romantic setting, Thalassa a la carte with Mediterranean flavors and a Romantic mood, and Ammos Snack Restaurant for modern Mediterranean bites. Evenings glow with live music performances (free), and a bar provides drinks to enjoy on terraces or by the sea. Climate control and non-smoking rooms contribute to comfortable stays, while the overall ambiance blends coastal charm with convenient amenities.

Accommodations span a range of options, including Room With Inland View, Private Pool; Room With Sea View, Private Pool; Suite, Sea View, Private Pool; Villa, Private Pool; and various Inland or Sea View rooms, many with balconies or terraces. Some rooms feature private pools, and others offer garden or sea views to match mood and privacy preferences. With multiple layouts and vistas, it’s easy to pick a retreat that suits a breezy beach getaway or a more secluded villa experience.