Es Castell, where the harbour narrows.

A town at the harbour mouth

Es Castell stands on the south side of the entrance to Maó harbour, where the channel narrows and the opposite shore looks close enough to touch. It is a working town before it is a holiday one. People live here through the year, and the streets behind the main square keep an ordinary life in February as much as in July. The harbour explains the town, and water appears at the end of several streets. From the waterfront the whole entrance is visible, and small boats work in and out through the day.

The centre is small and flat enough to cross on foot in ten minutes. A square with plane trees, a church, a grid of low houses and a waterfront where small boats tie up. Nothing is far from anything else, which is why the town works as a base: the car can stay parked for days while you eat, swim and take an evening walk without planning. Buses to Maó pass through, and the airport road is close.

Georgian windows and a castle's name

Menorca spent most of the 18th century under British rule, and Es Castell shows it. The town grew beside the barracks that served the garrison, and the houses keep Georgian sash windows, fanlights and a plain, upright look that is unlike the rest of the island. The name means simply the castle, and the castle in question is the fortress of Sant Felip, whose ruins stand above the water at the harbour mouth.

Walk up towards the ruins and the shape of the harbour becomes clear: a long inlet with a narrow neck, defended from both sides. The fortifications are ruins rather than a museum piece, so treat walls and edges with care and keep to the marked paths. Below, the older streets hold small houses with walled patios, and the waterfront keeps a row of buildings from the same century. The walk takes a morning at most.

The name of the town comes from a castle that is now a ruin above the water.

The coves on either side

Two small beaches serve the town. Sa Mesquida lies just north of the harbour mouth, a sandy curve with a defence tower on the headland above and parking behind the sand. South of the entrance, Cala de Sant Esteve is smaller and shallower, sheltered by low rock, and reached by a lane off the Sant Lluís road. Neither is a resort beach. Both are places for a morning rather than a whole day, with little shade and no promenade.

Swimming is easy in summer and the water clears quickly over sand. The north side takes the tramuntana, the northerly wind that shapes this coast, so when it blows hard the south side is calmer, and the other way round when the wind comes from the south. Outside July and August either cove can be nearly empty on a weekday. In May and October the water is cool, and a short dip is enough.

• Sa MesquidaA sandy beach north of the harbour mouth, with a tower on the headland and parking behind the sand.
• Sant EsteveA small, shallow cove south of the entrance, sheltered and good for a short swim.
• WindThe tramuntana hits the north side first, so choose the opposite shore when it blows.
• ShadeNeither cove has much of it; take water and go early in July and August.

Sights in and near town

The ruins of the fortress of Sant Felip are the nearest sight, a short walk or an even shorter drive from the centre. Panels explain the sieges and the harbour defences; the ground is uneven and much of it is open, so wear proper shoes and carry water. From the outer walls the whole entrance is visible, with Maó up the inlet and the open sea beyond. Allow an hour, more if you read everything.

Maó is the obvious next stop: a harbour town with a market, an old centre above the water and a long promenade. Inland, Sant Lluís is a small village with a church square and a handful of streets, and Binibeca Vell, a whitewashed fishing village turned visitor curiosity, sits on the south coast beyond it. North of Maó, the S'Albufera des Grau natural park and the Favàritx lighthouse belong to a wilder, windier coast.

• Sant FelipRuined 18th-century fortress above the harbour mouth, with paths and information panels.
• MaóThe harbour town up the inlet, with a market, an old centre and waterfront walks.
• Sant LluísA small village inland, with a church square and quiet streets.
• Binibeca VellWhitewashed lanes above a rocky south coast, busy in high summer.
• S'AlbuferaA lagoon, dunes and birdlife in the natural park north of Maó.

Who Es Castell suits

Es Castell suits travellers who want a town rather than a resort: somewhere with a bakery, a pharmacy, a school and a year-round population, plus a harbour to walk along after dinner. It also suits anyone arriving late, since the airport is a short run away and the transfer does not eat an evening. Families with small children often prefer a beach at the door, and this is not that.

With a car, the town becomes a practical base for the east and south: Sant Lluís, Binibeca, the south coast coves and Maó are all easy runs, and the airport road is close. Without a car the town is quieter but still workable, with buses to Maó and the airport and the Camí de Cavalls along the coast. Guests who want a beach and a bar strip within walking distance will be happier elsewhere.

• Town baseEveryday shops, a square and a waterfront, with life through the winter.
• Short transferThe airport is about 6.3 km away in a straight line, a quick run by road.
• Car usefulThe east and south coasts are easy by car; buses cover Maó and the airport.
• Not a resortNo bar strip and no beach at the door; the coves are a walk or a drive.

Evenings and harbour food

Eating here is harbour food: fish landed nearby, rice dishes, squid, and the lobster stew that Menorca claims as its own, caldereta de llagosta, worth ordering once in a kitchen that does it properly. Menus follow the boats and the season, so ask what came in that morning. The waterfront fills in the evening, and the streets behind it are quieter and less hurried, with room for people who did not book. Portions are generous and the pace is unhurried.

Menorca's British century left a gin tradition, and gin with lemonade, pomada, is the drink of the summer festivals; in the bars of Maó and Es Castell it is treated as a local product rather than a cocktail. Evenings are early and calm. Dinner starts late by British standards, the promenade empties by midnight, and anyone wanting a longer night takes the short run into Maó, where the harbour keeps more going.

Arriving and getting around

Menorca Airport lies about 4-5 km south-west of Maó, and Es Castell is roughly 6.3 km from it in a straight line, one of the shortest transfers on the island. By road the run goes either through Maó or round by Sant Lluís, and both are straightforward. Taxis wait at the terminal. Buses connect the airport with Maó, where you change for Es Castell; check the island bus operator for current times and seasonal gaps.

Once here, a car is useful for the rest of Menorca and unnecessary inside the town, where parking is limited and the centre is small. Bicycles work on the lanes towards Sant Lluís and the coves, though the roads are narrow and summer traffic is real. The Camí de Cavalls, the coast path that circles the island in about 20 stages, runs along this shore and gives a walking route without a car.

When to go, and what closes

Late spring and early autumn are the best of it: warm water, open businesses and room on the paths. July and August are hot and busy, though Es Castell stays calmer than the resort coasts. Winter is genuinely quiet. Many hotels, beach bars, boat trips and seasonal restaurants close roughly from November to April, ferries and flights thin out, and the town returns to its own rhythm of school, work and errands.

The town does not shut. The square, the shops and the year-round restaurants keep going, and Maó is fully open a short ride away. The Balearic sustainable tourism tax is charged by the accommodation at a rate that depends on type, category and season, reduced in low season and for longer stays, with children under 16 exempt; check the Govern de les Illes Balears site for current rates. Rates change, so read the small print before booking.