Earth logo

5 countries with the deepest seas

Seas in the World

By Moharif YuliantoPublished 2 years ago 3 min read
5 countries with the deepest seas
Photo by Willian Justen de Vasconcellos on Unsplash

The Five Deepest Seas in the World

The Earth's oceans, vast and mysterious, are home to some of the planet's most extreme depths. While the Mariana Trench, a subduction zone in the western Pacific Ocean, is the deepest point on Earth, there are other seas that boast impressive depths, each with its own unique characteristics and geological formations. Let's explore the five deepest seas on our planet.

1. South China Sea

The South China Sea, a marginal sea of the Pacific Ocean, is the largest and deepest sea in Southeast Asia. It is approximately 1,665 kilometers (1,034 miles) long and 965 kilometers (600 miles) wide, covering an area of about 3.5 million square kilometers (1.35 million square miles). The deepest point in the South China Sea is the Philippine Deep, which reaches a depth of approximately 10,540 meters (34,580 feet).

The South China Sea is a vital waterway for international trade, with numerous countries claiming territorial rights over parts of it. This has led to territorial disputes and tensions among China, Vietnam, the Philippines, Malaysia, Brunei, and Taiwan.

2. Celebes Sea

The Celebes Sea, also known as the Sulawesi Sea, is a marginal sea of the Pacific Ocean located between the islands of Borneo, Sulawesi, and the Philippines. It is approximately 650 kilometers (400 miles) long and 400 kilometers (250 miles) wide, covering an area of about 315,000 square kilometers (122,000 square miles). The deepest point in the Celebes Sea is the Celebes Deep, which reaches a depth of approximately 7,500 meters (24,600 feet).

The Celebes Sea is known for its rich marine biodiversity, including coral reefs, mangroves, and seagrass beds. It is also home to a variety of marine species, such as tuna, mackerel, and shrimp.

3. Java Sea

The Java Sea is a marginal sea of the Indian Ocean located between the islands of Sumatra, Java, Borneo, and Sulawesi. It is approximately 1,000 kilometers (620 miles) long and 500 kilometers (310 miles) wide, covering an area of about 315,000 square kilometers (122,000 square miles). The deepest point in the Java Sea is the Java Deep, which reaches a depth of approximately 7,200 meters (23,600 feet).

The Java Sea is a major shipping route for trade between Asia and Europe, with numerous ports located along its coastlines. It is also a significant fishing ground, with a variety of fish species caught in its waters.

4. Sulu Sea

The Sulu Sea is a marginal sea of the Pacific Ocean located between the islands of Mindanao, Palawan, and Borneo. It is approximately 400 kilometers (250 miles) long and 300 kilometers (190 miles) wide, covering an area of about 180,000 square kilometers (70,000 square miles). The deepest point in the Sulu Sea is the Sulu Deep, which reaches a depth of approximately 6,500 meters (21,300 feet).

The Sulu Sea is known for its rich marine biodiversity, including coral reefs, mangroves, and seagrass beds. It is also home to a variety of marine species, such as tuna, mackerel, and shrimp.

5. Banda Sea

The Banda Sea is a marginal sea of the Pacific Ocean located between the islands of Sulawesi, Maluku, and Tanimbar. It is approximately 500 kilometers (310 miles) long and 400 kilometers (250 miles) wide, covering an area of about 450,000 square kilometers (174,000 square miles). The deepest point in the Banda Sea is the Banda Deep, which reaches a depth of approximately 5,120 meters (16,800 feet).

The Banda Sea is known for its volcanic activity, with several active volcanoes located on the islands surrounding it. It is also home to a variety of marine species, including tuna, mackerel, and shrimp.

These five seas are just a few examples of the many deep and fascinating bodies of water that cover our planet. Each sea has its own unique characteristics, geological formations, and marine life, making them all worthy of exploration and admiration.

NatureScience

About the Creator

Moharif Yulianto

a freelance writer and thesis preparation in his country, youtube content creator, facebook

Reader insights

Be the first to share your insights about this piece.

How does it work?

Add your insights

Comments

There are no comments for this story

Be the first to respond and start the conversation.

Sign in to comment

    Find us on social media

    Miscellaneous links

    • Explore
    • Contact
    • Privacy Policy
    • Terms of Use
    • Support

    © 2026 Creatd, Inc. All Rights Reserved.