The best replacement for pier is dock.

The best alternatives to pier are rated as following:
★★★★★  dock
★★★  peer
★★★  wharf
★★  pile
★★  column
★  disneyland hotel
★  jetty
★  bent
★  dock definition
★  pillar
★  pilaster
  venice beach
  abutment
  slab
  berth
  pile foundation
  grand californian
  post foundation
  peir

Your alternative for pier is not listed? Suggest!
Speaking about pier, one probably shouldn't forget about footing.

Other search terms related to pier and their ratings are:
★★★★★ footing
You have in mind a companion for pier and it is not yet here? Propose!



Google Trends

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pier
dock
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