As I posted earlier in the Cunard Block topic; I deleted that post there and moved it here below with additional commentary/editing:
First impressions: they are all pandering to the current social climate to some greater or lesser extent, and some have an overdose of woo-woo in their proposal documents.
The Architecture 49 version is mostly on stilts, which I figured we would see for some, but the wood used on the outside and especially the waterside perspective reminds me somehow of the Maritime Museum which is not a plus, though overall this is a far more impressive design of course. It routes the Boardwalk rather awkwardly, as does #3. Plus it appears to have a set of Killer Stairs
(TM Regd.) inside, which is a deal-breaker of course.
I agree with the other voices seen here so far that it is by far the least impressive of the three.
The second design by DIALOG is certainly distinctive and landmark. They appear to be counting on a sea wall of sorts to control water infiltration. I'm not sure I buy the beach concept nor the little theater perched right on the shoreline (it looks very small) but at least they allow the Boardwalk to pass straight through the site, which is a plus I think. I really like the exterior of the building itself. Interior renderings seem rather sparse though. I wasn't sure if I was looking at a giant round picnic table or an art piece in one of the renderings, but I didn't care for it.
My impression of the third design by KPMB has changed after looking at it in more detail. At first it was the least impressive for me. Seeing the interior spaces proposed it is redeemed somewhat as those look much better to me than the exterior. I don't care for the teepee structures shown outside though, don't think we need another set of steps going into the harbour, and am unsure how those people shown on the island in the last rendering seen above got there, or are going to get off. That ties into this:
I presume there was a requirement given to integrate the water somehow into the space, but all of the proposals don't really thrill me with the approaches they propose. I see the ponds and such being murky, dirty and smelly, and possibly magnets for tourist trash in the summer. The areas would likely all be pretty desolate in the winter too. This is a harbour, not a tropical lagoon, and the abundance of greenery that makes those areas look like a tropical jungle just seems jarring.
I also wonder what these would all cost. Some of them seem to be proposing ridiculously expensive ideas based upon first impressions.