Custom House Tower Observation Deck — tickets, height & honest verdict

Also searched as: Boston Custom House observation deck · Marriott Custom House deck

TL;DR: Boston's 1915 clock tower has a small open-air balcony on the 26th floor — the city's most atmospheric viewpoint, but access is a scheduled-visit privilege through the Marriott that occupies the building, not a ticketed attraction you can count on.

Can you go up today?

Open Mon, Tue, Wed, Thu, Sat, Sun · closed FriOne escorted visit daily at 2pm sharp, roughly 30 minutes, every day except Fridays. Phone booking only, eight people maximum. Weather-dependent — the floor is stone, and winter icicles close it.
Mon2pm – 2:30pm
Tue2pm – 2:30pm
Wed2pm – 2:30pm
Thu2pm – 2:30pm
Friclosed
Sat2pm – 2:30pm
Sun2pm – 2:30pm

Times are local to Boston. Holiday closures and private events can override this — the deck page's tips cover the ones we know about.

325 ftdeck height
26thfloor
Freeadmission
~30 mintime needed
open-airdeck type
1915deck since

Worth it if…

Yes if a slot lines up with your trip: for a few dollars you stand on a wraparound balcony under the clock faces, directly over the harbor — closer to the water and the wharves than View Boston will ever be. It's a collector's-item view.

Pick another deck if…

You can't plan around a single 2pm slot with eight seats, booked weeks ahead by telephone, with no confirmation email and no walk-ups. And check the façade works before you build a day around it. Boston's dependable high view is View Boston at the Prudential — bigger, glassier, ticketed, and open when it says it is.

Eight people a day, once a day, at two o'clock sharp, free, booked by telephone. Every guide frames that as a charming quirk of a hotel that happens to occupy Boston's first skyscraper.

It isn't charm. It's a legal obligation, and the story behind it is better than the view.

You are exercising a public right, not receiving a favour

In March 1986 the federal government declared the Custom House surplus and walked out. The city took title — and before releasing the site from federal protection, wrote permanent conditions into the development plan. The Boston Redevelopment Authority's own board memo lists them: the original 1847 building at the base must stay public space with civic or cultural use; **the observation deck must be made available for limited public access**; and no part of the building may be sold for condominium ownership.

Three things follow, and nobody connects them. The 2pm slot exists because clause two requires somebody to run it. The building is a timeshare rather than condominiums because clause three forbade the obvious conversion — so Marriott sells rights-to-use against a ground lease that expires in 2057, when it all reverts to the city. And the rotunda is a walk-in public lobby with ship models rather than a hotel reception because of clause one.

The City of Boston still owns the building and the land. You're not being indulged by a private operator; you're using a right that survived the federal government leaving.

How to actually get one of the eight seats

Phone 617-310-6300 and take option four. There is no online booking, no walk-up, and no queue to join — people are turned away at the desk regularly.

The property says 48 hours' notice. Ignore that: one visitor calling on 29 May found the whole of June already gone. Two weeks is a realistic floor and a month is safer.

Then the part that matters most, because it has cost people the visit: **they do not send confirmations.** A party who booked by phone arrived, found no record of the reservation, waited thirty minutes for a no-show that never came, and left having paid for parking. Call back a day or two ahead and reconfirm. If they'll put something in writing, take it.

On the day, check in at the front desk on the State Street side, sign a waiver, and a member of staff walks you to the lifts — two of them, lobby to 19, then 19 to 26, an artefact of a building that was grown rather than built. Leave the backpack; a handbag is fine.

One expectation to reset: this is not a guided tour. A guard takes you up and asks you back down in thirty minutes. There's a restroom on the deck, which no other source mentions.

What it's actually like up there

Open air, stone underfoot, and a full walk-around of the tower behind copper screening that has been there since 1915 — the balcony was designed as a public viewing gallery, so the hotel inherited an observatory rather than inventing one. Photographers should plan to shoot through or over a screen. There are wrought-iron tables and a few telescopic viewers.

The honest note on the view: the Custom House is now only Boston's twenty-fourth-tallest building, and the south and south-west are substantially walled in by newer towers. Read the 360° claim as *you can walk all the way round*, not *you can see in every direction*. The open arcs are the good ones — north over the North End to Charlestown and the Bunker Hill Monument, north-west to the Zakim, and east through south-east over the harbour, Long Wharf directly below, planes stacking into Logan across the water.

It was 496 feet in 1915 and it stayed Boston's tallest until the Prudential took the title in 1964 — which you can see from up here, to the west-southwest.

Why they had to work around the falcons

In 2020 a boatyard in Maine built new hands for the clock — carbon fibre, twenty-five pounds each, gold-leafed to a shade the landmarks commission approved, because the originals were painted redwood that soaked up rain until they got heavy enough to slow the mechanism. Locals had taken to calling the tower the four-face liar.

The build had a constraint the contractors talk about openly: the schedule depended on the clock tower's residents. A pair of peregrine falcons has nested inside it every year since 1987 — this was the first successful peregrine nest in Massachusetts after DDT wiped the species out of the eastern United States, and the box behind the clock face has one of the most productive records on the east coast. One male raised fifty chicks and lived to seventeen.

So the fastest animal on earth hunts pigeons over Faneuil Hall from a nest box one floor above the deck, and has since 1987 — and when the clock needed fixing, the clock waited.

Book Custom House Tower Observation Deck tickets

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Tickets are sold on the official site.

Best time to visit

A clear late afternoon slot if you can get one — the deck hangs directly over the harbor and the waterfront wharves.

Hours: One escorted visit daily at 2pm sharp, roughly 30 minutes, every day except Fridays. Phone booking only, eight people maximum. Weather-dependent — the floor is stone, and winter icicles close it. · Pricing note: Free — no ticket, no donation, no drink minimum. That changed after COVID: it used to be a walk-up with a small charity fee. The stated booking window is 48 hours; in practice it books two weeks to a month out, and they do NOT send written confirmation.

Tips from the deck

Where Custom House Tower Observation Deck is — and the other Boston decks

Custom House Tower Observation Deck — quick answers

Yes — the Marriott Vacation Club that occupies the tower runs one free observation-deck visit daily at 2pm (no visits Fridays), capped at 8 people. Reserve by phone with the front desk at least 48 hours ahead; access can be suspended for hotel operations.

Different league and different product: it's a low (325 ft), narrow, open-air historic balcony with harbor intimacy; View Boston is the full modern 750 ft panorama. Do both if access allows — they don't compete.

Other observation decks in Boston

Compare all Boston observation decks →