Travel Guide
A quiet beach, low island roads and an easy journey across three connected islands. Sido sits between Sindo and Modo in Incheon’s Three Brother Islands, making it a natural stop for a relaxed coastal trip.
A peaceful beach
between two islands
Sido Island lies between Sindo and Modo in Bukdo-myeon, Ongjin County, Incheon. The three islands are connected by bridges and are commonly known together as the Three Brother Islands.
Sido’s best-known destination is Sugi Beach, a gently curved beach facing the waters toward Ganghwado. The island is small enough to explore slowly by bicycle or on foot, making it well suited to an easy day trip.
Since Sindo is now connected to Yeongjongdo by road, travelers can continue from Sindo across the bridge to Sido and onward to Modo without taking a ferry. This makes Sido an ideal middle stop on a three-island journey.
How to Get to
Sido Island
Sido Island is reached through Sindo. Travel from Yeongjongdo to Sindo, then cross the bridge connecting Sindo and Sido. No ferry is required for the current road route.
Travel toward Yeongjongdo
From Seoul or central Incheon, head toward Yeongjongdo, where Incheon International Airport is located.
Cross to Sindo
Use Sindo Peace Bridge to enter Sindo directly by road. From there, continue through the island toward the bridge to Sido.
Cross the Sindo–Sido Bridge
The bridge between Sindo and Sido allows cars, bicycles and island travelers to move easily between the two islands.
Travel to Yeongjongdo → cross to Sindo → continue to Sido → visit Sugi Beach and the coast → continue to Modo if time allows → return through Sindo.
Sindo, Sido and Modo are connected by bridges
Sido sits in the middle of the Three Brother Islands. This makes it easy to combine Sindo’s forest scenery, Sido’s beach and Modo’s coastal art in a single trip.
Best Places to Visit
around Sido
Sido is best enjoyed slowly. The island’s main attractions are its beach, coastal viewpoints, quiet roads and the bridges connecting it with neighboring islands.
Sugi Beach
Sugi Beach is Sido’s signature destination. The shoreline curves gently around the coast, creating a quiet and sheltered atmosphere. Across the water, you can see the direction of Ganghwado.
View on Google Maps →Sugi Viewpoint
Near Sugi Beach, the viewpoint provides a wider look across the West Sea. It works well as a short stop before or after walking along the beach.
View on Google Maps →Sido Coastal Road
Quiet roads run through small villages and coastal scenery. The island’s compact size makes these roads especially enjoyable for a relaxed bicycle ride.
View on Google Maps →Rugosa Rose Road
One of the characteristic routes on Sido follows a coastal road lined with rugosa roses. The scenery is especially attractive during the flowering season.
View on Google Maps →Sindo–Sido Bridge
This bridge connects Sido with neighboring Sindo. Crossing it makes the transition from one island to another part of the Three Brother Islands experience.
View on Google Maps →Sido–Modo Bridge
Continue west from Sido and another bridge leads to Modo. This easy connection allows you to add Baemikkumi Sculpture Park and Modo’s coastal scenery to the same trip.
View on Google Maps →
Sido
1 Night 2 Days
A relaxed overnight trip lets you divide the Three Brother Islands between Sindo and Sido on the first day and Modo on the second.
For a day trip, try Gubongsan → Sugi Beach → Sugi Viewpoint → Baemikkumi Sculpture Park. This route gives you a good mix of forest, beach and coastal art across all three islands.
Getting Around
Sido
Sido is compact, so cycling and walking work especially well. A car is more convenient if you plan to explore Sindo and Modo on the same day.
Bicycle
Sido’s small scale and gentle island roads make cycling one of the best ways to explore the island.
A bicycle makes it easy to stop at beaches, village roads and viewpoints without rushing.
Car
Driving is convenient if your plan includes attractions across all three islands.
Because the islands are connected by road, moving from Sindo to Sido and onward to Modo is straightforward.
Walking
Sido itself is small enough for relaxed walking around individual beaches and coastal areas.
If walking between many attractions, check the total distance first and allow enough time.
Is Sido
Right for You?
Sido is a good match for travelers who prefer quiet beaches and slow island roads over a packed sightseeing schedule.
Sugi Beach offers a calm West Sea atmosphere away from larger resort beaches.
The connected island roads make Sido especially enjoyable as part of a bicycle trip.
Small villages, coastal scenery and quiet roads reward an unhurried pace.
Sido sits perfectly between Sindo and Modo, making all three easy to combine.
What to Check Before
Visiting Sido
The trip is simple, but weather and your route across the Three Brother Islands can affect how much you can comfortably see.
Check the weather before cycling or walking.
Check the tide if beach and tidal-flat scenery matter to you.
If cycling, confirm current bicycle rental options.
Wear comfortable shoes for coastal walking.
Allow enough time if exploring all three islands.
Carry water and sun protection during outdoor activities.
Cross Sindo,
then continue straight to Sido.
Sido is connected by road through Sindo and continues onward to Modo. Plan all three islands together for an easy West Sea island-hopping trip.
Explore more
Korean islands
If Sido is only the beginning of your island journey, continue with more English island guides from SEOMITTA. Compare different coastlines, travel styles and island routes before choosing your next destination.
A small island
made for slowing down
Sido does not need a long list of attractions to make the trip worthwhile. Its charm comes from quiet roads, a gentle beach and the feeling of moving slowly between islands.
Walk along Sugi Beach, look across the West Sea, then cross the bridge and continue toward Modo.
For your Sido Island trip, think of the island as the peaceful center of a journey connecting Sindo, Sido and Modo.