Three generations, one house, seven days. It's the trip people plan for a milestone birthday or an anniversary, and it's the one most likely to go sideways for reasons that have nothing to do with the island.
We've hosted a fair number of these. The groups that have a great week tend to get the same handful of things right.
Book for the awake hours, not the beds
Almost everyone shops by bedroom count and stops there. But nobody has a bad trip because of a bedroom. Friction comes from the shared hours — the morning where four people want the kitchen at once, the late afternoon where the toddler needs a nap and the teenagers need somewhere to be loud.
Look for separation: more than one place to sit, indoor and outdoor space that aren't the same room, and a kitchen and dining area big enough that cooking and hanging out can happen simultaneously. The photo above is our Mahogany kitchen and dining area, and the reason it works isn't the appliances — it's that someone can cook while five other people are around and it doesn't feel crowded.
Cook more than you plan to
Restaurants with a group of nine are expensive, slow, and hard on the youngest and oldest members. The groups that do best cook four or five nights and go out two or three. A proper grocery run on arrival day is the single highest-leverage hour of the whole trip, and villa kitchens here are up to it.
Save the restaurant nights for the ones worth dressing up for.
Think hard about stairs and hills
This is the one people underestimate. St. Thomas is steep — hillside houses have steps, driveways are inclined, and a place with a beautiful view often gets that view by being up something. If anyone in the group has knees, hips, or a stroller, ask specific questions before booking: how many steps from the car to the door, how many between the bedrooms and the kitchen, how steep the driveway is.
The same goes for the beach. "Beach access" that involves a flight of stairs and a hundred yards of sand is a different proposition for a grandparent than for a nine-year-old.
Don't over-schedule
The best multi-generational weeks we see have roughly one planned thing a day and nothing else. A beach morning. A day trip to St. John on one day, not three. One nice dinner. Everything else is the house, the water, and people reading in the shade.
The mistake is booking an activity every day and then discovering that half the group would rather have stayed put — the slow-day approach is what people actually remember.
Sort the cars early
Nine people don't fit in one vehicle. Plan on two, which means two drivers and two sets of decisions each day — and honestly, that's a feature: it lets the group split without a negotiation. Read our rental car piece before you book, especially if you're staying up a hill.
Which of ours fits
For a mixed-age group, the hillside villa at Mahogany Seaview is usually the better fit — more indoor and outdoor room to spread into, constant breeze, a real kitchen and dining space, and games in the house for the rainy hour. Bear in mind it's up a hill and the beach is a drive.
If the group is younger and water-obsessed, the Sapphire Beach condo puts everyone on the sand instead, with lunch and dinner walkable. The side-by-side comparison covers the trade in detail.
Larger groups sometimes take both. If you're thinking about that, book direct and ask — it's easier to coordinate dates that way. Open weeks and current discounts are on the deals page.