Galápagos Islands Guide
All 13 Major Islands
The Galápagos archipelago consists of 13 major islands, 6 smaller islets, and 107 rocks/islets located 1,000 km off Ecuador’s Pacific coast. Each island has a distinct wildlife profile, geology, and visitor experience. Santa Cruz is the logistics hub; Española is the only waved albatross nesting site; Fernandina has zero invasive species.
Key Facts About the Galápagos Island
| FACT | DATA |
|---|---|
|
Total land area |
7,880 km² (3,040 sq mi) |
|
Protected Area |
97% — Galápagos National Park + Marine Reserve |
|
Inhabited islands |
4 (Santa Cruz, San Cristóbal, Isabela, Floreana) |
|
UNESCO World Heritage |
Since 1978 (first site inscribed in the program) |
Navigate the Islands
13 major islands. Each one different.
Ordered by visitor importance.
Santa Cruz Island
Best for: First-time visitors, land-based stays, tortoise encounters
Home to Puerto Ayora (largest town), the Charles Darwin Research Station, and El Chato Highland Reserve — one of the few places where you walk freely among wild. Seymour/Baltra Airport is 15 minutes away by ferry.
Isabela Island
Best for: Volcano hiking, marine iguanas, penguins at the equator
San Cristóbal Island
Best for: History, diving, kicker Rock
Española Island
Best for: Birding, waved albatross, dramatic coastal scenery
Fernandina Island
Best for: Pristine wilderness, flightless cormorants , active volcano
Floreana Island
Best for: History, flamingos, small-group intimacy
Genovesa Island
Best for: Seabird colonies, red-footed boobies, frigatebirds
“Bird Island” — accessible only via northern itineraries (6–8 hour overnight sail). The entire island is a collapsed volcanic caldera. Darwin Bay hosts one of the world’s largest red-footed booby colonies. Prince Philip’s Steps trail passes through nesting frigatebirds at arm’s length.
Bartolomé Island
Best for: Photography, pinnacle Rock, Galápagos penguins
Santiago Island
Best for: Lava formations, fur seals, geological diversity
North Seymour Island
Best for: Blue-footed boobies, frigatebirds, day trip from Baltra
Rábida Island
Best for: Color contrast, flamingos, sea lion snorkeling
Santa Fe Island
Best for: Land iguanas, giant cactus forest, sea lions
South Plaza Island
Best for: Wildlife density, land-sea iguana hybrids, sea cliffs
Navigate the Islands
13 major islands. Each one different.
Ordered by visitor importance.
Santa Cruz Island
Best for: First-time visitors, land-based stays, tortoise encounters
KEY WILDLIFE
Giant Tortoise
Finches
Sea Turtles
Isabela Island
Best for: Volcano hiking, marine iguanas, penguins at the equator
Largest island (4,588 km²), formed by six merged shield volcanoes. Sierra Negra Volcano has one of the largest active calderas in the world (~10 km diameter). The only island where multiple Galápagos tortoise lineages coexist.
KEY WILDLIFE
Giant Tortoise
Flightless cormorant
Galápagos penguin
San Cristóbal Island
Best for: History, diving, kicker Rock
Administrative capital of the Galápagos province. Often described as Darwin’s first island landfall in 1835. Kicker Rock (León Dormido) — a ~150 m volcanic formation — is among the best hammerhead shark dive sites in the archipelago. El Junco Lagoon is the only permanent freshwater lake in the Galápagos.
KEY WILDLIFE
Sea Lions
Blue-footed Boobies
Hammerhead Sharks
Española Island
Best for: Birding, waved albatross, dramatic coastal scenery
Oldest island in the Galápagos (est. ~3.5 million years). The only nesting site on Earth — thousands of pairs breed here April–December. Punta Suárez is rated by many naturalists as the single best visitor site in the archipelago.
KEY WILDLIFE
Waved Albatross
Nazca Boobies
Marine Iguanas
Fernandina Island
Best for: Pristine wilderness, flightless cormorants , active volcano
Youngest and most volcanically active island. La Cumbre Volcano last erupted in 2024. Zero invasive species have ever established here. Espinoza Point hosts the largest marine iguana colony in the Galápagos and the world’s entire flightless cormorant population. Western itineraries only.
KEY WILDLIFE
Marine iguana
Flightless cormorant
Galápagos penguin
Floreana Island
Best for: History, flamingos, small-group intimacy
The most dramatic human history in the archipelago — the 1930s Floreana Affair (European settlers, a self-styled baroness, suspicious disappearances) is still unsolved. Post Office Bay — a barrel serving as a mail system since the 18th century, still in use — is a unique stop. Devil’s Crown is among the top snorkeling sites in the Galápagos.
KEY WILDLIFE
Flightless cormorant
Sea turtle
Sea lion
Genovesa Island
Best for: Seabird colonies, red-footed boobies, frigatebirds
“Bird Island” — accessible only via northern itineraries (6–8 hour overnight sail). The entire island is a collapsed volcanic caldera. Darwin Bay hosts one of the world’s largest red-footed booby colonies. Prince Philip’s Steps trail passes through nesting frigatebirds at arm’s length.
KEY WILDLIFE
Red-legged booby
Frigatebird
Nazca boobies
Bartolomé Island
Best for: Photography, pinnacle Rock, Galápagos penguins
The most photographed island in the Galápagos. The summit view over Pinnacle Rock with Santiago Island behind is the archipelago’s most reproduced image. Snorkeling beside Pinnacle Rock delivers Galápagos penguins swimming alongside tropical fish in the same water.
KEY WILDLIFE
Sea lion
Sea Turtles
Galápagos penguin
Santiago Island
Best for: Lava formations, fur seals, geological diversity
No permanent human population. Sullivan Bay contains a vast pahoehoe lava field from an 1897 eruption — among the best places to observe recent volcanic formations up close. Puerto Egas hosts a large Galápagos fur seal colony in sea caves and lava grottos.
KEY WILDLIFE
Marine Iguana
Sea lion
Sea Turtles
North Seymour Island
Best for: Blue-footed boobies, frigatebirds, day trip from Baltra
Small uplifted island 1.5 km north of Baltra, reachable in 30 minutes. Its ~1.9 km trail loops through one of the most concentrated nesting sites for blue-footed boobies and magnificent frigatebirds in the archipelago — active nests within 1–2 meters of the trail.
KEY WILDLIFE
Magnificent frigatebird
Blue-footed Boobies
Marine iguana
Rábida Island
Best for: Color contrast, flamingos, sea lion snorkeling
Known for its distinctive dark-red beach (high iron content in volcanic rock). A flamingo lagoon directly behind the beach hosts a small resident flock year-round. Snorkeling rated among the best in the central islands for sea lion interactions. Fewer crowds than Bartolomé or North Seymour.
KEY WILDLIFE
Brown pelican
Sea lion
Flightless cormorant
Santa Fe Island
Best for: Land iguanas, giant cactus forest, sea lions
Hosts the Santa Fe land iguana (Conolophus pallidus), found only here. Its giant Opuntia cactus forest (trees reaching ~10 m) is among the most impressive in the archipelago. A well-established sea lion colony on the beach makes Santa Fe one of the most wildlife-dense half-day stops in the central islands.
KEY WILDLIFE
Marine iguana
Sea lion
Hammerhead Sharks
South Plaza Island
Best for: Wildlife density, land-sea iguana hybrids, sea cliffs
Tiny (~13 hectares) but extraordinary wildlife density: a sea lion bachelor colony, land iguanas foraging on Opuntia cactus pads, and a sea cliff with swooping swallow-tailed gulls, Nazca boobies, and red-billed tropicbirds. One of the only documented locations of land-marine iguana hybrids. ~45-minute boat ride from Puerto Ayora.
KEY WILDLIFE
Marine iguana
Sea lion
Fork-tailed gull
How to Choose Your Islands
Match trip length and interest to the right island combination.
BY TRIP LENGTH
Central islands — Santa Cruz, Bartolomé, North Seymour, South Plaza, Santa Fe. Maximum wildlife diversity per day.
Add southern islands (Española, Floreana, San Cristóbal) for waved albatross and diving.
Isabela and Fernandina. Most pristine wildlife; not accessible on shorter itineraries.
BY INTEREST
Prioritize Española (albatross) and Genovesa (red-footed boobies).
San Cristóbal (Kicker Rock) and liveaboard routes to Darwin/Wolf.
When you are ready, move on to planning your cruise check the best time to visit, or compare luxury expeditions for western-circuit access.
Choose Your Planning Path
Whether you’re traveling directly or planning for clients, we’ll point you to the right team.
FOR DIRECT TRAVEL
Voyagers Travel Company
Build your island itinerary. Voyagers Travel Company specializes in custom Galápagos island combinations — cruise, land-based, or hybrid. Contact their team for current cruise availability and island routing advice.
FOR TRAVEL AGENTS & TRADE
Latin Trails
Latin Trails designs private island programs and FIT packages with flexible routing. Contact the DMC team for trade pricing.
Frequently Asked Questions
Visitors can access approximately 50 visitor sites across 20+ designated islands and islets. A typical 8-day cruise visits 8–10 sites across 5–7 islands. Some islands (Darwin, Wolf) are accessible only by liveaboard dive cruise. Fernandina, Española, and Genovesa require western or northern itineraries not available on 4–5 day trips.
There is no single best island — each serves a different purpose. Santa Cruz is the best base for land-based travelers. Española has very high endemic species density per square kilometer by most naturalist assessments. Fernandina offers the most pristine environment. The right answer depends on whether you prioritize accessibility, wildlife density, photography, diving, or history.
No. The four inhabited islands (Santa Cruz, San Cristóbal, Isabela, Floreana) are accessible via inter-island ferries ($30–35 per route, ~2–2.5 hours) or short-hop flights. The uninhabited islands are accessible only via National Park-authorized day tours or overnight cruises — independent access is prohibited by park regulation.
Explore More
Discover more islands, plan your journey, and learn everything you need for the perfect Galápagos trip.
Explore Each island
- Santa Cruz
- Isabela
- San Cristóbal
- Española
- Fernandina
- Genovesa
- Bartolome
- Santiago
More islands
- Floreana
- North Seymour
- Rabida
- Santa Fe
- South Plaza
Plan Your Island Visit
- Galápagos Cruises
- Best Time to Visit
- Entry Requirements