1- A lighthouse is a warning system, and in dreams it tends to warn us of emotional difficulties. It will depend on whether we arc aware in the dream of being 011 land or at sea. If we are on land we arc being warned of difficulties to come, probably from our own emotions. If we are at sea we need to be careful not to create misunderstandings for ourselves by ignoring problems.
2- A lighthouse can act as a beacon and can lead us into calmer waters. It can often have this significance in dreams whether emotionally or spiritually. A lighthouse can also take on the symbolism of the tower (see Tourer).
3- Spiritually a lighthouse highlights the correct course of action to help us achieve our spiritual goals.