Giola Lagoon — the turquoise rock pool is most vivid in midday sun; arrive early to shoot it without crowds of swimmers.
Marble Beach (Saliara) — the white-marble-and-turquoise contrast is striking in soft morning light, shortly after sunrise.
Ancient Theatre of Thasos — framing the stone seats against the sea backdrop works best in late afternoon light.
Acropolis hilltop — the best sunset panorama on the island, overlooking Limenas harbor and the Aegean.
Aliki quarry bays — the submerged marble cuts are most visible with the sun high and water calm, late morning to early afternoon.