- Achilleas Pension
- Alkionides Pension
- Amaryllis Hotel
- Andrea Pension
- Angelica Traditional Boutique Hotel
- Areti
- Athina Guesthouse
- Bahia
- Bratsera
- Cotommatae Hydra 1810
- Delfini Hotel
- Douskos Guesthouse
- Douskos Port House
- Filenia
- Four Seasons Hydra
- Glaros Guesthouse
- Greco Hotel
- Guesthouse Corali
- Hotel Leto Hydra
- Hotel Miranda
- Hotel Sophia
- Hydra Art Suites
- Hydra Hotel
- Hydra Icons
- Hydra Port Apartments
- Hydrea Exclusive Hospitality
- Hydroussa Hotel Hydra
- Ippokampos
- Kirki Hydra
- Lelas House
- Mastoris Mansion
- Mistral Hotel
- Nereids Guesthouse
- Nesea Boutique Apartments
- Orloff Boutique Hotel
- Paradiso
- Pension Erofili
- Perakis Apartments
- Phaedra Hotel
- Piteoussa
- Sidra Hotel
- Spalieri Rooms
- Theano Guesthouse
- Upper Hydra
- Vita Real Estate