You don’t always need a full week to feel like you’ve been on holiday. With the right destination, three days can be enough for morning swims, long dinners by the sea and a complete change of scenery. The key is choosing an island where getting there is relatively easy and you won’t spend half your break trying to see everything. Here are some of the best Greek islands for a 2–3 night escape, especially if you’re travelling from Athens. Hydra: Leave the Car Behind Around 1.5–2 hours from Piraeus by high-speed ferry, Hydra is almost made for short breaks. With no cars in town, there is little need to...