El Puerto de Santa María day trip from Cádiz: catamaran, castle and sherry

The crossing in practice

Ticket sales end at least five minutes before departure and the boarding gate closes three minutes before the boat leaves, so the sailing time is a hard deadline. Advance tickets exist for both lines, so you can buy ahead on a busy day instead of queuing at the terminal.

The Cádiz terminal offers free bicycle rental under the Consorcio's +BICI scheme, and the El Puerto end has a car park with 85 covered spaces. Neither matters much for a walking day, but the bikes are a useful way to cover the waterfront if the heat is up. The terminal itself is the practical reason to prefer the boat: you step off a few minutes from the castle and the restaurants, with no bus or taxi between.

The crossing time depends on the sea, so read the operator's notices on the day rather than turning up at the dock, and keep the train as your plan B.

Castle and old town

The Castle of San Marcos is the town's anchor: a medieval fortress that King Alfonso X of Castile had built as a fortified church on the site of a mosque, of which the qibla wall survives. Opening hours and prices change, so check the castle's official site for your date before you plan around a visit.

El Puerto's history is bigger than its footprint. Christopher Columbus visited in 1480 and received encouragement for his travel plans, and the town's bullring dates from 1880 and holds 15,000 spectators. Bullfights are held there in the season; check the programme if you want to see one, since the ring is not a daily attraction.

Bodegas and the sherry connection

El Puerto is one of the three historic towns of the Sherry Triangle, with Jerez and Sanlúcar de Barrameda. Its wines benefit from Atlantic breezes that give them a distinct elegance, and the Campo de Guía district is home to historic bodegas. For wine alone, it is the easiest point of the triangle to reach from Cádiz.

Bodegas in the area welcome visitors for guided tours and tastings, and Osborne is among the best known. Hours, tour types and prices change, so check the bodega's official site and book ahead. If you want Jerez's cellars and horses as well, give that town its own day: the Jerez day trip covers the train, the Alcázar and the Royal Andalusian School.

Eating on the waterfront

The seafood waterfront is a perfect spot for a tapa and a glass of fino, and it is a short walk from the boat. A few rounds at the counter make a better lunch than a long sit-down meal if you plan to see the castle afterwards.

At the other end of the scale, El Puerto is home to Aponiente, the first restaurant in Andalusia to receive three Michelin stars. It is a planned meal, not a stop: check its own site for booking rules and current status. Back in Cádiz, the Cádiz food guide covers where to finish the evening.

Building the day

Fix the last boat or train home first, then fit the rest around it. El Puerto works as a half day with one stop and a long lunch, or as a full day with a castle visit and a bodega.

1. Take the catamaran from the Plaza de Sevilla terminal in the morning, and check the return time before you board.
2. Walk to the Castle of San Marcos and visit it.
3. Lunch on the seafood waterfront, with fino and a few tapas.
4. One booked bodega visit in the afternoon, or a walk through the old streets if you skip it.
5. Head back to the terminal early; the gate closes three minutes before the boat leaves.

Cruise passengers working to a ship's departure should use the Cádiz cruise port day plan instead, which is built around the all-aboard time.