Things to Do in Greenwich: A Complete London Guide

Greenwich is one of London's most historic and visually stunning districts, offering a unique blend of maritime heritage, royal history, and scientific discovery. Located on the banks of the River Thames in Southeast London, this UNESCO World Heritage site is most famous for being the home of the Prime Meridian Line and the Royal Observatory. Whether you are interested in standing with one foot in each hemisphere, exploring the world's last surviving tea clipper, or enjoying a picnic in one of London's oldest Royal Parks, Greenwich provides a perfect escape from the hectic pace of Central London. For travelers arriving from overseas, staying connected while navigating these historic streets is essential, and many visitors now opt to see plans for local data to avoid the high costs of international roaming.## Getting to Greenwich: The Scenic RouteMost travelers start their journey in Central London, and while the Underground is the standard way to move around, Greenwich deserves a more scenic arrival. The best way to reach the area is via the Uber Boat by Thames Clippers. This river bus service allows you to see the London skyline, passing under Tower Bridge and alongside the Tower of London before docking at Greenwich Pier. If you prefer the rails, the Docklands Light Railway (DLR) offers a fantastic elevated view of the Isle of Dogs and Canary Wharf as you head toward the Cutty Sark for Maritime Greenwich station. For those coming directly from London Heathrow or Gatwick, you will likely take the Elizabeth Line or a train to London Bridge, then transfer to the DLR or a Southeastern train. Regardless of your route, having a reliable data connection is vital for checking real-time schedules on apps like Citymapper or Google Maps.## Top Things to Do in Greenwich### The Royal Observatory and the Prime MeridianNo visit to Greenwich is complete without a trek up the hill in Greenwich Park to the Royal Observatory. This is the site of the Prime Meridian (0° longitude), the line that divides the Eastern and Western Hemispheres. You can stand on the famous brass line and explore the history of Greenwich Mean Time (GMT). The observatory also houses the Great Equatorial Telescope and the Harrison Clocks, which solved the problem of measuring longitude at sea. The view from the top of the hill, looking back over the Queen’s House toward the skyscrapers of Canary Wharf, is arguably the best skyline view in London.### The Cutty SarkAs you step off the boat at Greenwich Pier, you are immediately greeted by the towering masts of the Cutty Sark. This 19th-century tea clipper was once the fastest ship of her time, racing across the oceans to bring tea from China to London. Today, the ship is elevated in a glass casing, allowing you to walk directly beneath the copper-clad hull. It is an interactive museum that is particularly popular when visiting London with kids, as it offers plenty of hands-on exhibits about life at sea.### The National Maritime MuseumThe National Maritime Museum is the largest of its kind in the world. It tells the story of Britain's naval history through a vast collection of artifacts, including the actual uniform Lord Nelson was wearing when he was fatally wounded at the Battle of Trafalgar. The museum is free to enter, making it an excellent budget-friendly option for international tourists. It is part of a cluster of attractions that rivals the cultural density of The Best South Kensington Museums to Visit.### Old Royal Naval College and the Painted HallDesigned by Sir Christopher Wren, the Old Royal Naval College is an architectural masterpiece. Its centerpiece is the Painted Hall, often referred to as the ‘Sistine Chapel of the UK.’ The ceiling and walls are covered in breathtaking 18th-century baroque paintings. It is a popular filming location for Hollywood blockbusters, including The King’s Speech and Thor: The Dark World. After touring the hall, take a walk through the Victorian skittle alley located beneath the chapel for a quirky glimpse into the past.## Connectivity for International TravelersWhen touring London, especially a sprawling area like Greenwich, your smartphone is your most important tool. American and international travelers often rely on their home carriers, which can charge upwards of $10 per day for roaming passes. These passes are often throttled to slower speeds once a small daily limit is reached. A more efficient alternative is using a EuroHop eSIM, which provides high-speed data at local rates. In the United Kingdom, your device will typically connect to EE, which offers the most extensive 5G network in the city, or 3 (Three), known for its solid 4G coverage. These are data-only plans, meaning they do not come with a local phone number, but they work perfectly with WhatsApp, FaceTime, and Google Maps.### Data Usage and Needs for Your VisitTo help you decide which data plan to choose, consider your daily activities in London: | Activity | Data Consumption | Why it matters in Greenwich | |---|---|---| | Google Maps / Citymapper | 5-10MB per 10 mins | Essential for navigating the DLR and bus routes. | | Uploading Photos to Socials | 2-5MB per photo | You will want to share that Prime Meridian selfie immediately. | | Streaming Video (HD) | 2GB+ per hour | Useful for kids in the car or on the train between sites. | | WhatsApp Voice Calls | 0.5MB per minute | Best way to stay in touch without a local phone number. | For a week-long trip to London and perhaps a Cotswolds Day Trip from London: Best Villages, a 5GB or 10GB plan is usually sufficient. If you are on a longer multi-country European tour, you can see plans that cover over 30 countries including Switzerland and the UK with a single QR code. This is particularly useful for those traveling via Eurail to France (dest:fr) or Italy (dest:it).## How to Install Your eSIMBefore you leave home or while sitting in the airport lounge, you can set up your digital SIM. First, ensure you have a compatible device list to check if your smartphone supports eSIM technology. Most iPhones from the XR/XS onwards and modern Android devices are ready.### Step-by-Step Installation1. Purchase your plan: Receive a QR code via email instantly. 2. Scan the code: On iPhone, go to Settings > Cellular > Add eSIM. On Android, go to Settings > Network & Internet > SIMs > Add. 3. Label your plan: Call it "EuroHop" or "Travel Data." 4. Set as primary for data: Keep your home SIM active for SMS (to receive bank codes) but switch cellular data to the eSIM. 5. Enable Data Roaming: This is required for the eSIM to connect to local towers like EE or 3. For more detailed help, you can view the setup instructions on our site.## Exploring Greenwich Market and BeyondAfter you have seen the ships and the stars, head to Greenwich Market. Established in 1737, this covered market is a hub for independent designers, antique dealers, and incredible street food. It is the perfect place to grab a quick lunch before heading back to the park. If you have extra time, the Greenwich Foot Tunnel allows you to walk under the River Thames to Island Gardens on the north side. The tunnel is over 1,200 feet long and offers a cool, slightly eerie experience that has remained largely unchanged since 1902. For those on a multi-city journey, remember that your EuroHop eSIM doesn't just work in London; it follows you as you cross borders into the EU. Whether you are heading to a Canal Saint-Martin Guide: Paris Local Hangouts or exploring the historic streets of Rome (dest:it), your single QR code keeps you online without the need to swap physical cards or find local kiosks.## The bottom lineGreenwich is a must-see London destination that combines world-class museums with stunning outdoor spaces. By preparing your connectivity in advance with a EuroHop eSIM, you can avoid the high costs of US carrier roaming and enjoy seamless 5G/4G data on the EE and 3 networks. From the Prime Meridian to the Painted Hall, staying connected ensures you make the most of every historic minute.