Map of Antarctica: The Peninsula, Islands & Cruise Routes

1. Interactive Map of the Antarctic Peninsula

Zoom out to see South America; zoom in to see the landing sites

The satellite view makes the geography clear. The Peninsula curves northeast toward the tip of South America, separated by the Drake Passage. The South Shetland Islands line its northern coast, and the Weddell Sea opens to the east. Most landing sites sit along the sheltered west coast between the South Shetlands and roughly the Antarctic Circle.

Standard web maps distort polar regions badly, which is why Antarctica looks enormous and stretched on flat maps. Globes and polar projections show its true shape: a rough circle centered on the South Pole, with the Peninsula as a tail.

2. The Main Regions of Antarctica

Geographers split the continent into East and West Antarctica, divided by the Transantarctic Mountains. East Antarctica sits on a huge, thick ice sheet. West Antarctica is smaller and includes the Peninsula. Learn about the ranges in our guide to Antarctica's mountain peaks.

3. The Antarctic Peninsula on the Map

The Peninsula is roughly 1,300 km (800 miles) long and is the warmest, most wildlife-rich part of Antarctica. Its west coast is a maze of channels, bays and islands, which is why ships can cruise sheltered waters even when the open ocean is rough.

• Gerlache Strait. The main channel between the Peninsula and offshore islands, gateway to many landing sites.
• Paradise Harbour & Neko Harbour. Glacier-ringed bays where you can step onto the continent itself.
• Lemaire Channel. A narrow, cliff-lined passage often called one of the most scenic in Antarctica.
• Port Lockroy. A historic British base and post office on tiny Goudier Island.
• Petermann Island. Often the southern limit of classic itineraries.

4. Islands Around Antarctica

Deception Island deserves a special mention: it's a flooded volcanic crater that ships sail straight into. Read our Deception Island guide for the full story.

5. Antarctica Cruise Routes Explained

The Drake Passage crossing is about 2 days each way and is the price of admission for most routes. Here's what the Drake is really like. To decide how long a trip you need, see how many days you need for Antarctica.

6. Research Stations on the Map

Around 30 countries run research stations in Antarctica, from small summer huts to McMurdo, which can house more than 1,000 people in summer. Many cluster on King George Island and along the Peninsula, where access is easiest.

Visitors sometimes stop at stations such as Palmer (USA), Vernadsky (Ukraine) or Brown (Argentina), schedules permitting. See our guide to the most prominent Antarctic research stations for where they are and which you might visit.

7. How Big Is Antarctica, Really?

Antarctica is the fifth-largest continent: bigger than Europe or Australia, and about 1.5 times the size of the United States. Its ice sheet averages nearly 2 km (over a mile) thick and holds roughly 70% of the world's fresh water.

Put another way, a 10-day Peninsula cruise explores well under 1% of the continent. That's not a criticism, since the Peninsula has most of the wildlife and scenery visitors come for, but it explains why Antarctica can be visited many times without repeating a landing.

Conditions change dramatically with distance from the coast. Check live Antarctic weather and temperatures to see the difference between the Peninsula and the interior.

8. Antarctic Territorial Claims on the Map

Political maps of Antarctica look like a pie cut into slices. Seven countries claim territory: Argentina, Australia, Chile, France, New Zealand, Norway and the United Kingdom. Three of those claims, from Argentina, Chile and the UK, overlap on the Antarctic Peninsula, the same area most cruises visit.

A large wedge of West Antarctica, Marie Byrd Land, is claimed by no one, making it the largest unclaimed land area on Earth. The United States and Russia make no claims but reserve the right to.

The Antarctic Treaty, signed in 1959, puts these claims on hold. It bans military activity and mining, protects the environment and keeps the continent open for science. In practice, that means you don't need a visa or passport stamp to land in Antarctica, though you'll need a passport to get through South America. Here's what documents you actually need.

9. Antarctic vs. Sub-Antarctic: Where the Line Falls

Itineraries often mix places that are technically Antarctica with places that are not. The usual boundary is the Antarctic Convergence (also called the Polar Front), a zone in the Southern Ocean where cold polar water sinks beneath warmer northern water. It sits roughly between 50° and 60° south and marks a sharp change in temperature, sea life and birds.

• South of the Convergence: the continent, the Peninsula, the South Shetlands and South Orkneys, and South Georgia, which sits just inside it.
• North of it: the Falkland Islands and New Zealand's sub-Antarctic islands.
• The Antarctic Treaty area uses a simpler line: everything south of 60° S.

You'll often cross the Convergence on day two of a Drake crossing. Watch for a sudden drop in sea temperature and a change in the seabirds following the ship.

10. How to Read an Antarctica Itinerary Map

Expedition itinerary maps usually show a neat loop with named stops. Treat them as a sample, not a promise.

• Landing sites are chosen daily based on weather, ice and other ships' schedules.
• Dotted lines are directions, not routes. Ships zigzag to find calm water and wildlife.
• Days 1–2 and the last two days are usually the Drake Passage crossing.
• "Antarctic Peninsula (Days 4–8)" means flexible exploring, not a fixed list.

When comparing trips, ask how many landing days you get and how far south the ship usually reaches. Our advisors can explain the real differences between itineraries that look identical on paper.

Antarctica Distances Cheat Sheet

Keep Planning Your Antarctica Trip