Key West's essential sights are small, close together, and mostly free of spectacle, which is the point of them. Two carry the National Historic Landmark title: the house and museum at 907 Whitehead Street and a fort dating from 1845 inside a state park. Around them sit the stops that give the island its sense of itself: the buoy at Whitehead and South that marks the Southernmost Point of the Continental U.S., a basilica listed on the National Register, and a grotto built in 1922 to protect Key West from hurricanes. A run of memorials and a burned-out shell on Duval Street round out the rest. Some entries are modest, and we have not padded them with history we cannot source. This list is for the first-timer with two days and a bicycle, and for the repeat visitor who has done the bars and wants the island's record of itself in one unhurried loop. Go early, carry water, and give the landmarks the time and the memorials the quiet.
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1 Ernest Hemingway House
907 Whitehead Street, Key West, FLA house and museum with National Historic Landmark status
The Ernest Hemingway House, at 907 Whitehead Street in Key West, is a house and museum with the heaviest heritage title on this list: National Historic Landmark. That alone is reason to give it a proper hour rather than a photo from the pavement. Skip the trolley drive-by; a house museum is something you walk through slowly, not something you glance at from a moving bench. Before you set out, check the official website, hemingwayhome.com, for current entry details. If you are navigating by phone, the house is pinned at latitude 24.5511, longitude -81.8008. Go early in the day, while your patience for rooms and labels is freshest, and save the bars for later.
National Historic Landmark
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2 Fort Zachary Taylor Historic State Park
601 Howard England Way, Key West, FL 33040A Civil War-era fort, dating from 1845, set inside a Florida State Park
Fort Zachary Taylor Historic State Park dates from 1845 and is both a Florida State Park and a National Historic Landmark centered on a Civil War-era fort. The entrance is at 601 Howard England Way, Key West, FL 33040, and that landmark designation is a formal one. If military history is what you are after, skip the costumed pirate attractions; the fort itself is the exhibit. Because the site is both a state park and a fort, split your visit between the two, and resist the pull to rush the walls to get to the open air. Hours and fees are on the Florida State Parks page for Fort Taylor. Read them before you go, because a state park keeps its own schedule, not the town's.
Dates from 1845 · National Historic Landmark
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3 Southernmost point buoy
Whitehead St &, South St, Key West, FL 33040The marker for the Southernmost Point of the Continental U.S.
At the corner of Whitehead St and South St, in the 33040 postal area, the Southernmost point buoy marks the Southernmost Point of the Continental U.S.. It dates from 1983, so see it for what it is: a civic marker with a geographic claim, not an ancient monument. The city lists it among its own facilities. Its mapped latitude, 24.5465, is the number the whole stop is about, and that latitude deserves a moment before you raise the camera. Skip midday if you can. The photo looks the same at dawn, and the spot is far more pleasant with the street mostly to yourself.
Dates from 1983
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4 Basilica of St. Mary Star of the Sea
A church building listed as a National Register of Historic Places contributing property
The Basilica of St. Mary Star of the Sea is a church building in Key West, listed as a contributing property on the National Register of Historic Places. That designation has a specific meaning: a contributing property is valued as part of a wider historic fabric, so look at the building from across the street before stepping closer. This is a church, not a beach bar, and covered shoulders are simple courtesy. On the map it sits at latitude 24.5531, longitude -81.7955, which is all you need to find it on foot. We have no service times to give you, so if you hope to attend rather than look, ask locally on the day rather than guessing.
National Register of Historic Places contributing property
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5 African Cemetery at Higgs Beach
A historic place listed on the National Register of Historic Places
Few places on this list ask for quiet the way the African Cemetery at Higgs Beach does, a United States historic place, and its listing on the National Register of Historic Places puts it in the same formal company as the island's better-known sights. Not worth the detour if a beach day is all you came for; worth every minute if you want Key West's history past its famous names. You will find it at latitude 24.5484, longitude -81.7864. Come with time to stand still. This is a burial ground first and a sight second, so lower your voice, leave the towel and the speaker out of it, and let the place set the pace.
National Register of Historic Places listed place
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6 Hurricane Grotto
A grotto built in 1922 to protect Key West from hurricanes
The Hurricane Grotto exists because of storm season: it was built in 1922 to protect Key West from hurricanes, and on an island that measures its years in named storms, that is a more direct purpose than most monuments can claim. The locals know what it is for, so skip the jokes and give it the respect you would give any shrine. Its official page is at stmarykeywest.com/grotto, and the map pins it at latitude 24.5526, longitude -81.7955. A short stop. Stand back, read the purpose into it, and leave it as you found it.
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7 Burnt Down Building
Duval Street, 33040A Duval Street stop whose name tells its story
Not every stop earns its place with a plaque, and the Burnt Down Building on Duval Street, 33040, earns its place with a name that tells you what you are looking at. If you want a moment of honesty on the island's busiest walk, this beats any polished storefront. We have no opening hours, dates, or backstory to give you, and we will not invent any. Treat it as a short pause on a Duval Street stroll, mapped at latitude 24.5534, and look at it the way you would read a scar: briefly, and without needing it explained.
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8 Key West Lighthouse
Front Street, Key West, FL 33040The island's lighthouse, mapped on Front Street
A lighthouse is the plainest piece of architecture any island owns, and the Key West Lighthouse is mapped on Front Street, Key West, FL 33040. It was built to be seen, so see it from its own base rather than as a dot on the skyline: a rooftop bar gives you a view of a lighthouse, not a visit to one. For phone navigation it is pinned at latitude 24.5506, longitude -81.8009. We have no entry details to vouch for, so check on the day before planning anything beyond a look. Even from the street, it makes a clean full stop between longer visits.
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9 Vietnam War Monument
A memorial to the Vietnam War on the island
Quiet suits the Vietnam War Monument better than almost any other stop in town. It is mapped at latitude 24.5578, longitude -81.7883, and that is as much as we can verify about it, so we will not dress it up with history we cannot source. Skip the selfie; a war memorial asks for a minute of attention, not a pose. Fit it into a morning loop rather than making a special trip, and give it the same few minutes you would want given to any name of your own. On an island built for noise, a stop that asks for nothing but stillness is worth the place on this list.
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10 USS Maine Memorial
A memorial bearing the name of the USS Maine
Visitors short on time should still give the USS Maine Memorial a few minutes. You will find it at latitude 24.5564, longitude -81.7961. We have nothing verified about its age or design to offer, and a memorial is the wrong place to guess. Skip the guided tour for this one: a memorial reads best on your own time, at your own pace, with no one narrating over it. If the ship's name means something to you, it will mean more standing here; if it does not, the stop is a good reason to look it up afterwards over coffee.
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11 Key West - Florida Keys Historical Miltary Monument
A monument dedicated to the military history of Key West and the Florida Keys
Military history in the Keys has its own marker at the Key West - Florida Keys Historical Miltary Monument, mapped at latitude 24.5596, longitude -81.8075. Don't let it become scenery you walk past on the way to lunch; this one names a whole region's service, not a single event, and that deserves a pause. We won't pad it with dates or details we cannot verify. Read whatever it says for yourself, then set it alongside the fort and the memorials elsewhere on this list. Together they make the case that this island's story ran deeper than leisure.
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12 Mallory Square
Key West's best-known public square
The afternoon fades best at Mallory Square, the natural place to stop walking at the end of a loop, pinned at latitude 24.5600, longitude -81.8076 for phone navigation. Don't bother with a schedule; a public square is for lingering, not for ticking off, and we have no verified hours, events, or prices to offer you in any case. Arrive without expectations and let the square be whatever it is that evening. Find a spot, put the map away, and take stock of a day spent with forts, landmarks and memorials. A good list should end somewhere you can simply sit down, and this is it.
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