We stayed for 5 nights at Equarius. First impression, hotel's lobby was very small for the size of the hotel. Guests had a long queue for check in. However once we stepped in to the hotel room, wow it's very spacey with posh interior. The washroom was excellent. Having the view to Water Cove was the best. Btw, please ask the concierge to lead the way to Water Cove from the back door of the hotel, it's only 2 mins walk. Kids can spend a whole day at Water Cove.
The downside of the Equarius is the location. It's so far from everywhere. Yes, they do provide free shuttle to RWS, but for some reasons, the waiting time is always uncertain. If we were to travel without 2 toddlers, we might have just take a walk to RWS instead of waiting for the shuttle. It was inconvenience. And it's far to the beach or any attraction in Sentosa.
Breakfast at Forest was under expectation for a five star hotel. Choice of food were poor. We ordered in room service a fried beef hor fun for the kids and the meat smelled weird.
For the price we paid for Equarius, next time we visit Sentosa, we might choose another hotel unless Equarius improve on couple issues as I mentioned above.