Where the mermaids, fishmen and huge seakings lurk. Some villages may have formed down here. It's unaccessible to humans without the proper equipment.

The island the infamous Monkey D. Luffy was born and raised.

Goat Island is the island where Luffy first met Coby and Alvida. This uncharted island is mentioned in the manga but not in the anime.

Shells Town is the main setting of the Captain Morgan Arc. It was the location of the Marine's 153rd Branch, headed by Captain Morgan.

Shimotsuki Village is a village in East Blue where the dojo in which Roronoa Zoro trained at is located.

The Organ Islands is the archipelago where Orange Town is located. Forty years ago in 148 AOS, this island was empty. Boodle and his people fled here from another town that was destroyed by pirates and settled here. They built a new town, Orange Town. When Buggy attacked Organ Island, the townspeople and Mayor Boodle retreated to the hill at the outskirts of the town. It is not clear how many towns are located here.

The Island of Rare Animals is an island that is covered entirely by forest and has many strange animals on it, most of which are mixtures of two or more normal animals.

The Baratie is an ocean-going restaurant in East Blue, founded and run by Zeff

Konomi Islands is the archipelago where Nami grew up. It was simple and peaceful until the Arlong Pirates took over, setting many strict and harsh rules.

Loguetown is a city on an island in East Blue, with the city covering nearly the entire island, save for a few steep hills. Almost all ships, especially pirate ships, pass through to stock up on supplies for the Grand Line since Loguetown is in a convenient location very close to Reverse Mountain, just out of sight of the Red Line.

Big Bird Island is an island in which Buggy tried to eat Big Bird's Son in order to survive. But he end up being Big Bird's prey instead.

Kumate Island (lit. Bear Claw Island) is the native island of the Kumate Tribe. It is also the location where Buggy's crew held a "funeral" for their lost captain and also the location where Buggy regained his body parts and crew.

Tequila Wolf is a country in the East Blue. It is the site of the construction of a massive bridge. The bridge has been under construction for the past 700 years, upon demand of the World Nobles. This time frame should be noted, as the bridge would have started its construction at the end of the Void Century and at the start of the newly formed World Government.

Mirrorball Island is in Jango's Mini Series and is an island located in the East Blue. It is the place where Jango and Fullbody first met, and it is also the main HQ where Doskoi Panda products are manufactured.

Gecko Island is the archipelago where Syrup Village is located. It is the third island the Straw Hat Pirates visited. This island was named in Red/Blue Databook.

Much like Shells Town, Rushtown lives in fear of the dreaded marine captain named "Captain Raven." In addition to the marine base, it's only town "Rushtown" is a market-oriented town. There's a handful of fisherman and almost anything can be found in it's extensive market place.

An island with a massive, circular fortress. A prison island with prisoners for Wardens. The island is divided into districts, rather than towns, and they are as follows: Danzeel District, Father Crop District, Princess Sela District and Artemis Vane District.