Poros town harbor provides an excellent shelter but, because of the constant traffic of large and small ferries, there is an almost continual wash caused by their wakes. Also, during south winds, there can be gusts.
The Old Harbor or Báltiza is the only yacht harbor in the island. It is almost always crowded and has been used for a long time.
The harbor of Hydra is always very crowded in high season and is best avoided at that time. Early spring is the best time to visit, when it is usually possible to moor either on the south quay or the inside of the north breakwater (where, however, it shallows as you go further in).
As Poros town is built on a small peninsula surrounded by quays, along the south and northwest sides, the harbour provides excellent shelter all year round. The closest airport to Poros island is the International Airport of Athens (IATA: ATH) and from the airport or the city centre, visitors can go to the port of Piraeus and take the ferry to Poros.
Mardraki is an attractive anchorage less than a mile East of Hydra Harbor. It is exposed, however, to the North Anchor in 3-6 m over sand, weed, and mud.
The Monastery of Dormition (Kimisi Theotokou), stands the middle of the quayside in Hydra's port. It was founded around 1645, based on the plans of Venetian and Genoese architects.
Dapia is the heart of Spetses Town and the new harbor of the island. Above Dapia the panoramic neighborhood of Kastelli rises.
A renowned rustic barbecue house in the heart of Poros town, within walking distance from the main harbour. The family’s butcher shop supplies the house with its finest products, everything is grilled on coals and the portions are hearty.
Stavento is one of the most popular clubs in the Old Harbor of Spetses. The club offers a splendid veranda with a view directly to the old harbor of Spetses, a part that reminds a painting, with the many and traditional kaiki boats.
Lagoudera, the previous name of Omilos bar-restaurant, was one of the most famous restaurants in Greece, visited by many international celebrities, such as, The Beatles, the Rolling Stones, Jackie Kennedy, Maria Callas and Aristotelis Onassis. It is situated in an excellent location, with amazing sea views and atmosphere.
Sinialo is a stylish cafe facing the port of Hydra. It serves coffee, drinks, snacks and a few traditional desserts.
After the Palamida beach, the crystal clear waters of the beach of Molos follow next. It is a deserted area that offers visitors peace, tranquility and relaxation.
Spilia beach is a continuation of the pier of Hydra and one can reach there on foot from the town moving to the west. The beach consists of rocks, but because of its position it has always a lot of people who enjoy diving in crystal waters.
Enjoy your swim and diving under the castle's cannons. The beach of Hydronetta is next to the one of Spilia and one can reach it by walking west from the town of Hydra.
Avlaki beach is a nice place to swim next to Hydroneta and near the town of Hydra. There is no sand or a large beach to spread your towel, but a small mole has been created for this purpose.
A particular picturesque fishing port is the large unorganized Kamini beach just 20 minutes from the town of Hydra. Ideal place to stay overnight as there are many accommodations or to just enjoy the authentic traditional cuisine at the surrounding restaurants.
Next to Megalo Kamini lies a small and beautiful beach, the Mikro Kamini. This is a pebbled and organized beach, ideal for small children as the water is not deep but for every kind of water sports too.
The Vlicho beach is located at the west of Hydra and you can get there on foot or by sea. The beach has gray pebbles, blue waters and its landmark is the church of Agios (St.
Beyond the Vlicho's port, one will find the seaside village Plakes Vlichou. In front lies the organized beach with crystal clear waters, the hotel, the cafe and the restaurant.
Palamida is a rare beach, located at the south of Vlicho following a dirt track for 20 minutes and after crossing a stone bridge dating from the 17th century. Visitors of this beach might be all alone on this beach with the clear water.
The beach at Porto Heli is about 2 km from the village and attracts mainly Greek and foreign holidaymakers from the surrounding area. The sandy beach features umbrellas, sunbeds, a couple of cafes and water sports outlets.
Right after the Molos bay comes the beach of Kaoumithi, located on the edge of an area full of pine trees. The combination of the sight of trees and crystal blue waters compose a magical landscape, ideal for total relaxation and tranquility.
The beach of Agios Nikolaos is well organized and has pebbles and clear water. It is located on the west coast of Hydra and specifically southwest, with slopes full of pines, which in some places reach the sea.
On the east of the island we meet the deserted and unorganized beach of Nisiza, situated in a cove below Mountain Eros or Klimaki. The area is full of pine trees.
A large pebbled beach is located at the east of the island and specifically under the namesake mountain called Klimaki, where very few private owned holiday homes have been built. The beach is not organized so be well prepared, taking with you some supplies.
Most popular and one of the most beautiful beaches of island. Agia Marina is organised, busy and offers possibilities for various activities.
Askeli is a wonderful beach, quite long with deep yellow sand and silky blue waters . There are bars, taverns, even a court for beach volley is there to please even the most demanding visitor.
The beach Koyzounos is found in the south-eastern side of Spetses, opposite from Spetsopoula. It is from the quietest and natural beaches in Spetses.
Monastiri is located to the east side of the island. It is a quiet, organised beach with clear waters and picturesque tavernas.
Neorio is located at the east side of the island, next to Vidi. It is the most picturesque place of Poros, full of pine trees reaching down to the beaches.
Kanali is located after a small bridge and it is only 5 minutes from the center of the town of Poros. It is a beautiful and organized sandy beach with taverns over the sea with a wonderful view.
In short distance from the port, at the left side of it, it is situated the beach of Mandraki, which in the past used to be the military port of the island. Located within a small close cove, Mandraki is the best organized beach of Hydra.
Vagiona is a beautiful bay in the north part of Poros, near the village of Agios Nektarios. There is a road that leading you to the beach after some kilometers to the north of the village.
Dokos is one of the most popular yachting destinations in the Saronic Gulf. It is an isolated, almost uninhabited, island found between the southern coast of Peloponnisos and the islands of Hydra and Spetses.
Tselevinia (Skylli and Spathi) are small inhabited islands at the eastern part of Peloponnisos. They are located between Poros and Hydra and have great isolated beaches with blue-colored waters.
Kallianos Diving Center was founded in 1990 on Kapari, a small island measuring 10 acres just two miles from the town of Hermione. The center has operated for almost 20 years putting customer service and safety first, and is one of the longest-running diving centers in Greece, and perhaps the only one located on a small island in the entire world.