Milton Locks is a 1-hectare (2.5-acre) nature reserve in Milton in Hampshire.

It is managed by the Hampshire and Isle of Wight Wildlife Trust.

[1] This site on Portsea Island has grassland, a wood and a beach.

There are saltmarsh plants such as sea purslane, sea aster and common saltmarsh-grass.

The wood provides shelter for starlings and house sparrows.