Hard engineering strategies

Concrete or rock barrier against sea.

Effective at stopping sea :)

Often has walkway :)

Obtrusive & unnatural :(

Very expensive :(

High maintenance costs :(

Timber or rock structures

Built out to sea from coast

Creates wider beach :)

Useful for fishing fanatics :)

Unnatural :(

Problem shifted, not solved :(

Piles of large boulders

Dumped at foot of cliff

Cheap & easy to maintain :)

Provides interest to coast :)

Expensive to transport :(

Very obtrusive :(