Antonides

Antonides is one of the quieter stretches of coastline on Kythnos — an island already known for beaches that feel more private than those of its more-visited Cycladic neighbors. Rated 4.5 stars by more than 400 visitors on Google, it consistently earns praise for the clarity of its water and the undisturbed character of its surroundings. Unlike several of Kythnos's beaches, Antonides has not been built up with sunbed rows or beach bars, which is precisely why it draws the visitors it does.

Kythnos itself sits in the western Cyclades, roughly an hour and a half by fast ferry from Lavrio on the Attica mainland. The island has around 1,500 permanent residents and sees a fraction of the foot traffic of Mykonos or Santorini. That scale shapes every beach on the island, Antonides included: you come here for swimming and stillness, not for facilities or organized entertainment.

The coordinates for Antonides — 37.3467° N, 24.4380° E — place it on the eastern side of the island, facing the narrow channel between Kythnos and the Attica coast. That orientation is worth noting for practical reasons: the eastern coast is generally more sheltered from the strong summer meltemi wind that blows from the north and northwest across the Cyclades, which can make beaches on the exposed western shore less comfortable on windy afternoons.

What to Expect

Antonides is a natural beach in the straightforward sense: no concrete, no umbrellas for hire, no snack kiosk. The shore is typical of smaller Kythnos coves — a mix of fine to medium pebbles and sand, with the water turning from pale turquoise at the edge to deep blue within a short distance from shore. The seabed tends to be clean and clear of seagrass in the swimming zone, which is part of what gives these eastern-coast coves their notable water transparency.

The surrounding landscape is low scrub and rock, characteristic of the western Cyclades in summer when the vegetation dries out to silver-grey and ochre. There is no shade infrastructure, so any shade you find will come from the natural topography — rocky outcrops or a beach towel laid out near the cliff edge. The beach is not large, and on a calm summer day with a handful of other visitors it can feel genuinely secluded. Arrive mid-morning on a busy August weekend and that feeling may not hold, but even then it will be quieter than the main beaches at Kolona or Fikiada.

The water is the main draw. The eastern orientation and sheltered position mean the surface is often calm, good for snorkeling along the rocky margins of the cove where there is usually some fish life and sea urchins to watch for underfoot near the rocks. Bring your own water, food, and any shade equipment you need — there is nothing for sale here.

How to Get There

Kythnos has no public bus network that extends reliably to minor beaches like Antonides. The practical options are a rental car, a rental scooter or ATV, or a private taxi from Merichas (the main port) or Chora (the island capital).

From Merichas, the main port on the western coast, Antonides is roughly a 15–20 minute drive by car depending on the exact road route, which follows the island's network of narrow paved and partly unpaved roads. The address listed as Paralia Antonides, Kithnos 840 06 can be entered into Google Maps, which will navigate you to the coordinates without difficulty. Parking is informal roadside parking near the beach access track — there is no dedicated car park, but the road shoulder typically accommodates a small number of vehicles.

A scooter or ATV is a popular option on Kythnos for exactly this kind of beach exploration, and rental is available near the port in Merichas. Confirm the road surface condition with your rental provider before attempting it on a low-clearance vehicle, as some beach access tracks on the island have loose gravel or rock sections.

There is no regular boat taxi service specifically to Antonides, though private boat hire from Merichas harbor could get you there by sea. Accessibility for visitors with limited mobility is limited given the natural terrain and absence of facilities.

Best Time to Visit

Kythnos has a classic Cycladic summer climate: hot and mostly dry from June through September, with the meltemi wind blowing most persistently in July and August. The eastern exposure of Antonides provides meaningful shelter from that wind compared to beaches on the western coast, making it a useful fallback option on days when Merichas-side beaches are choppy.

July and August are the busiest months on Kythnos, though even then the island operates at a much lower density than the major Cycladic destinations. Antonides in late June or early September will feel appreciably quieter than in high August, and the water temperature remains comfortable well into October.

For the calmest water and lowest crowds, early morning visits — before 10am — work well on any summer day. Midday in July and August brings intense sun with no natural shade at the beach itself, so a hat and sun protection are essential rather than optional. Late afternoon can be pleasant once the sun drops slightly, though you lose the overhead light that makes the water color most vivid.

Spring (April–May) and early autumn (October) are suitable for those who prefer walking and exploring over swimming, though the sea temperature in April is still cool by most standards.

Tips for Visiting

• Bring everything you need. There are no facilities at Antonides — no food, no water, no sunbeds, no toilets. Pack accordingly before you leave Merichas or Chora.
• Bring your own shade. A beach umbrella or a large hat is not optional in July and August; the sun is direct and there are no natural structures providing reliable shade on the beach itself.
• Wear water shoes or sandals to the water's edge. The mix of pebbles and the possibility of sea urchins near the rocks makes reef shoes a sensible precaution.
• Snorkel along the rocky edges. The clearest water and most interesting underwater scenery at coves like this is typically along the rocky margins of the bay rather than the open sandy middle.
• Check the wind forecast. Kythnos's eastern beaches benefit from meltemi shelter, but a strong northerly can still create some swell. Apps like Windy or Windguru give reliable short-range forecasts for the Cyclades.
• Combine with other eastern-coast stops. If you have a car for the day, Kythnos's eastern coast has several coves worth visiting in a single circuit — plan your route from Chora or Merichas and identify two or three stops rather than making a single dedicated trip.
• Leave no trace. Antonides's appeal depends entirely on its natural state. There are no waste bins at the beach, so bring a bag for your rubbish and take it with you.
• Arrive early in August. The beach is small, and on a flat-calm August day it can fill to a level that breaks the sense of seclusion. Before 9:30am you are likely to have it largely to yourself.

Activities and Facilities

The activities at Antonides are self-directed and water-centred. Swimming is the primary reason to visit, and the clear, calm water on most days makes it straightforward for all levels of swimmer. The rocky margins of the cove are suitable for snorkeling — bring your own mask and fins, as there is nowhere nearby to rent equipment.

The beach has no organized water sports, no pedalo hire, and no beach bar. There are no toilet facilities on site. For visitors traveling with young children, the calm and relatively shallow near-shore water is an advantage, though the pebbly footing at the water's edge requires care.

The surrounding landscape, while not a formal hiking destination, can be explored on foot to some extent — the low coastal scrub and rock formations are typical of the Cycladic interior. If you are combining beach time with broader exploration, Kythnos Town (Chora) is a well-preserved Cycladic village worth an hour or two, and the thermal spa village of Loutra on the northern coast offers the island's other distinctive attraction: natural hot springs that feed into a small bathing area.