Using guest reviews as website content
A review a stranger already wrote, in their own words, is usually more convincing than anything you could write about your own property.
With permission, or using reviews already public on a marketplace listing for the same property, bring a handful of specific, attributed reviews onto your own site — not a generic "5 stars, loved it", but ones that mention something concrete: the view, how quiet it was, how a question was answered quickly. Specific reviews do the persuading; generic ones barely register.
Place them near the decision point, not only on a separate testimonials page nobody visits — a relevant review next to the booking button, or next to the feature it's praising, does more work in that spot than the same quote filed away on its own page.
Rotate in new reviews as you get them rather than letting the same three quotes sit on the page for years. A visitor who notices the most recent review is from several years ago reasonably wonders whether anything since has gone wrong.
If a review raises a real issue, don't hide it — respond to it, on whichever platform it appeared, briefly and factually. A thoughtful response to an honest criticism often reassures a future guest more than a wall of unbroken five-star praise would.