You are on the east coast of Thassos, which means long sandy beaches and calm, shallow water. The west and south coasts have smaller coves with deeper water and more dramatic scenery. No beach on the island is more than 45 minutes away, so you can try a new one every day without any real planning.

A quick note: for the unorganized beaches (no sunbeds, no bar), bring your own umbrella, water, and something to sit on. Water shoes are a good idea for the pebbly ones.

Right Here

Avlakia
Directly below Aurea Mare. Unorganized, quiet, just you and the sea. No sunbeds, no music, no one trying to sell you anything. When you don't feel like driving anywhere, this is your beach.

Golden Beach (Chrysi Ammoudia)
The big one. About 2.5 km of golden sand and the longest beach on the island. Organized with sunbeds, umbrellas, water sports, beach bars. The water is shallow and warm, perfect if you have kids. It does get busy in July and August, particularly the middle section. Walk toward the Skala Panagia end or the Skala Potamia end for more breathing room.
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5 to 15 Minutes

Skala Potamias Beach
Technically the southern continuation of Golden Beach, but it feels like its own place. Organized, with tavernas right on the sand. A solid alternative when the main stretch of Golden Beach is too full for your liking.
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Paradise Beach
About 10 to 15 minutes south. Sandy, with that green-turquoise colour that makes you stop and stare. The pine forest comes right down to the water. Partly organized with sunbeds and a bar. Gets lively in peak season but the setting is hard to beat.
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Worth the Drive

Kinira Beach
About 20 minutes south. Small, unorganized, and genuinely peaceful. Pebble and sand, clear water, a view across to the little Kinira islet. This is where you go when you want to do absolutely nothing and not be bothered. Bring everything you need.
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Marble Beach
Northeast coast, about 25 to 30 minutes. White marble pebbles, bright turquoise water, pine trees framing a small cove. It really does look like the photos. Organized with sunbeds and a beach bar, both on the pricey side. The road in is unpaved and bumpy, go slowly, any car can handle it but don't rush. In July and August it gets packed. If you can, go early morning or save it for June or September.
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Saliara Beach
Right next to Marble Beach, same world: white marble pebbles, same turquoise water, same pine-covered backdrop. A separate beach but the same feeling. Same unpaved road, same crowds in peak summer, same advice: go early or go in the shoulder months.
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Alikes
South coast, about 35 to 40 minutes. Two beaches on either side of a small peninsula, with ancient ruins sitting right behind them. The water here is something else. It draws crowds in summer for a reason. If you go, combine it with a walk through the Aliki archaeological site, it's right there and worth ten minutes of your time.
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Atspas Beach
Southwest coast, about 40 to 45 minutes. Three small bays, fine pebble and sand, far quieter than anything on the east coast. The village still feels like a fishing harbour. Good for a half-day trip if you want to see the other side of the island. On the way back, stop at the Maries waterfalls.
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If you rent a boat for the day, ask about the coves between Kinira and Alikes. Most of them are impossible to reach by road and almost empty, even in August.