Londoners who fancy a dose of sea air don't need to spend half their weekend in transit. Burnham-on-Crouch, a small sailing town on Essex coast about 52 miles northeast of the capital, gets you from the city to an estuary beach in under two hours — roughly the same time some commuters spend crossing London on the Tube.

Getting there is straightforward. Drive, or take a Greater Anglia train from Liverpool Street to Chelmsford, then hop on the 331 bus into town. If you're flying in first, London Stansted is the nearest airport at around 40 miles away. The town also pairs nicely with nearby Osea Island, a private retreat that has become something of a celebrity hideaway.

The beach itself — Burnham Beach, on the estuary of the River Crouch — is sandy and properly English, which is to say you might want a jumper in your beach bag. There's one crucial thing to know before you go: it's tidal. Swimming and paddling are only sensible at high tide, so check tide times before planning your day, or you could find yourself staring at a lot of mud rather than water.

For dry-weather options, Riverside Park has plenty going on: two children's play areas, a skatepark, football and rugby pitches, a fitness trail, a BMX track and an indoor sports centre. Walk through to the L-shaped plateau east of the marina for the best river views, with benches and a calm outlook over the water. The town's waterfront promenade is arguably the highlight — a long stretch past yacht clubs and hotels, with boats bobbing on the glassy river. Visitors regularly comment on the sense of space; it feels a world away from the capital despite the short distance.

Then there's the seafood, which is the real draw. The Oyster Smack Inn — a hotel and restaurant that started life as a 19th-century tavern, named after the fishing boats once used on the Crouch — serves locally sourced, seasonal cooking. The Maldon oysters, shucked to order, are the obvious choice, with calamari and butterflied seabass also on the menu, and diners consistently praise the generous, well-prepared plates. For the full British seaside experience, Burnham Fish Bar does the classics: battered cod and chips, steak and kidney pies, onion rings. Reviews are mixed but generally strong, with the common theme being fresh, well-cooked food.

This is a trip for anyone who wants a low-effort escape from London — families, couples after a quiet coastal weekend, or day-trippers who mainly want oysters and a river view. It's not a glitzy resort town; the appeal is the unhurried pace, the sailing heritage and food that doesn't try too hard. Go with the tide times sorted and a table booked at the Smack, and you've got one of the easier coastal getaways in the southeast.