  We investigate Einstein-\AE ther gravity in light of the recent Event Horizon
Telescope (EHT) observations of the M87*. The shape and size of the observed
black hole shadow contains information of the geometry in its vicinity, and
thus one can consider it as a potential probe to investigate different
gravitational theories, since the involved calculation framework is enriched
with different size-rotation features as well as with extra model parameters.
In the case of Einstein-\AE ther gravity the black hole solutions include two
classes depending on the involved \ae{}ther parameters. We calculate the
corresponding photon effective potential, the unstable photon sphere radius,
and finally, the induced angular size, which combined with the mass and the
distance can lead to a single prediction that quantifies the black hole shadow,
namely the diameter per unit mass $d$. Since $d_{M87*}$ is observationally
known from the EHT Probe, we extract the corresponding parameter regions in
order to obtain consistency. We find that Einstein-\AE ther black hole
solutions agree with the shadow size of EHT M87*, if the involved \AE ther
parameters are restricted within specific ranges, along with an upper bound on
the dimensionless spin parameter $a$, which is verified by a full scan of the
parameter space within $1\sigma$-error.
