Caryatid figures, pilasters and friezes were among the customary details employed to produce good effects.
From the en.wikipedia.org
And even though this is off-topic, there's a caryatid at the British Museum for you to see, while waiting for your island.
From the guardian.co.uk
One example crafted from bronze-plated brass features a male or female figure holding up its square top like a Greek caryatid.
From the ocregister.com
This plane rests on six pairs and four single pilasters, each of which is capped by a caryatid, and between which are clerestory windows.
From the en.wikipedia.org
The painted portrait is a form that, like blank-verse drama in the theater or the caryatid in architecture, would seem to be on its last legs.
From the time.com
Within the space of 20 years it seems, the Church has gone from being a pillar of the country, a moral caryatid, a guardian of humane values, to being looked down on and even ridiculed.
From the irishpost.co.uk
More examples
A supporting column carved in the shape of a person
A caryatid (/ku00E6riu02C8u00E6tu026Ad/; Greek: u039Au03B1u03C1u03C5u03ACu03C4u03B9u03C2, plural: u039Au03B1u03C1u03C5u03ACu03C4u03B9u03B4u03B5u03C2) is a sculpted female figure serving as an architectural support taking the place of a column or a pillar supporting an entablature on her head. The Greek term karyatides literally means "maidens of Karyai", an ancient town of Peloponnese...
(The Caryatids) The Caryatids, a 2009 science fiction novel by Bruce Sterling, tells the tale of the four Mihajlovic "sisters", clones of the widow of a Balkan warlord now exiled to an orbital space station. ...
A sculpted female figure serving as an architectural element, used as a support for entablature
Decorative support in the form of a female figure. Derived from Greek architecture, the caryatid has been popular since the Renaissance and enjoyed particular favour in the Rococo and Neoclassical periods. Male caryatids are less common and are called telamones.
A figure of a woman used as a supporting column (the much rarer male-figure so used is a telamon or atlas [pl. telamones; atlantes])
Archit.- a figure of a woman dressed in long robes, serving to support an entablature
A supporting column in post-andlintel construction carved to represent a human or animal figure.
A top member of a pedestal or leg used for support in the form of a conventionalized human figure.