Yes. Sonos also has the Port to get sound into the Sonos ecosystem. It is somewhat less expensive than the Five (successor to the Play 5 you mention) but lacks a speaker.
Another possibility (although I haven’t tried this myself, but I believe it is possible), would be to use a Roam and a Bluetooth adaptor for your Pro Ject T1.
My understanding is that Roam can accept a Bluetooth input and then be grouped across the rest of the Sonos devices using the Sonos wifi network.
Sound quality might not be as good as a hard wired connection between the turntable and a Port or Five, but it gives the added bonus of having a portable Sonos device in your collection.
A Roam plus quality Bluetooth adaptor would be a lot less expensive than a Port.
Please do some searching to confirm my suggestion works before going down this route though!
It is something I have been considering to connect my own Pro Ject turntable.