Some 30 thousand oak piles were used in the construction of the haven with 199 boxes loaded with stones in-between them.
The islet was built by the personal order of Peter the Great in 1701-1706 of rock fill held by oak piles.
During the latest examination of islet in 1981, the remains of old oak piles were still present.
A wooden landing platform, built on oak piles, extended from the point of the island.
The remains of some of the pier's oak piles, sunk ten feet into bedrock, can still be seen at the most extreme low tides.
A piece of oak pile from these excavations is in the Halesworth & District Museum.
For the most part it stands on a sandy subsoil and only rests in places on oak piles.
The temple builders drove sharpened oak piles into the loamy soil to secure the ground for this heavy building.
This wooden structure, which had full booking office and waiting facilities, was partially jettied out over the river on oak piles.
The structure was made of oak piles driven into the seabed with boulders stacked between them.