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Nearby Letterboxes

Note that distance is dependent on the accuracy of each clue, typically city center.

(481 listings)

Letterbox name Found date Clue owner Location County Distance
Banana Slug City & Ladybug Jamboree (2)
Found 2: Dec 10, 2008
Adoptable
Planted: Dec 25, 2004
Half Moon Bay, CA San Mateo 0Accuracy: Town
Coastside Trail Series-reported missing 7/07 (2)
Missing 2: Feb 6, 2016
Adoptable
Planted: Nov 27, 2004
Half Moon Bay, CA San Mateo 0Accuracy: Town
Cowell Ranch Beach
Found: Dec 11, 2008
TimberToo
Planted: Jun 6, 2007
Half Moon Bay, CA San Mateo 0Accuracy: Town
In memory of My Dad
Missing: Mar 30, 2016
Adoptable
Planted: Nov 13, 2011
Skylawn Memorial Park
San Mateo on the way to Half Moon Bay, CA
San Mateo 0Accuracy: Town
Jumble Game 18
Attempted: Jan 28, 2024
Silver Eagle
Planted: Jul 28, 2011
Half Moon Bay, CA San Mateo 0Accuracy: Town
Picnic at the Beach
Retired: Mar 30, 2016
Adoptable
Planted: Jul 19, 2008
Half Moon Bay, CA San Mateo 0Accuracy: Town
Pigeon Point Lighthouse
Attempted: Mar 14, 2008
Adoptable
Planted: Mar 12, 2003
Half Moon Bay, CA San Mateo 0Accuracy: Town
Elizabeth & Darcy
Found: Jan 1, 2023
Nature Hikers
Planted: Aug 18, 2013
Half Moon Bay, CA San Mateo 0Accuracy: Town
Harry Potter (Book 3) (5)
Found 5: May 19, 2021
Nature Hikers
Planted: Jul 4, 2017
Purisima Creek Redwoods Open Space Preserve
Redwood Park, CA
San Mateo 4.9Accuracy: Coordinate
Quilt Sampler (9)
Found 9: Nov 21, 2015
Nature Hikers
Planted: Nov 15, 2015
Purisima Redwood Creek Open Space Preserve
Redwood Park, CA
San Mateo 5Accuracy: Coordinate
Brownie Troop #62376
Attempted: Jul 7, 2017
Adoptable
Planted: May 16, 2016
Fitzgerald Marine Reserve
Moss Beach, CA
San Mateo 6.2Accuracy: Coordinate
Pagurus, the tidepool entertainer
Attempted: Jul 28, 2011
Adoptable
Planted: Jan 15, 2005
Moss Beach, CA San Mateo 6.4Accuracy: Town
Sea Elephant
Found: Apr 27, 2014
Silver Eagle
Planted: Mar 14, 2010
Moss Beach, CA San Mateo 6.4Accuracy: Town
Point Montara
Found: May 16, 2016
Adoptable
Planted: Dec 10, 2008
Montara, CA San Mateo 7.2Accuracy: Town
Harry Potter Horcrux 6
Found: Aug 12, 2018
Adoptable
Planted: Jan 1, 2012
Privet Drive
Hillsborough, CA
San Mateo 7.5Accuracy: Street
Harry Potter (Book 2) (4)
Found 4: Apr 27, 2020
Nature Hikers
Planted: May 24, 2016
Hidden Canyon Park
Belmont, CA
San Mateo 7.7Accuracy: Coordinate
Laurie's Playground -- MISSING 7-21-07
Missing: Feb 6, 2016
Adoptable
Planted: Jul 4, 2007
South San Mateo, CA San Mateo 7.8Accuracy: Town
4-11-44 Traveler
OK: Dec 11, 2011
Adoptable
Planted: Jul 27, 2011
Hillsborough, CA San Mateo 8.1Accuracy: Town
Crossroads
Attempted: Jun 29, 2013
Adoptable
Planted: Oct 17, 2006
Hillsborough, CA San Mateo 8.1Accuracy: Town
Jepson Laurel
Attempted: Oct 4, 2018
Adoptable
Planted: Dec 17, 2006
Hillsborough, CA San Mateo 8.1Accuracy: Town
Siempre Adelante-
Retired: May 22, 2016
Adoptable
Planted: Oct 15, 2004
Hillsborough, CA San Mateo 8.1Accuracy: Town
Big Canyon: 4 Boxes by Girl Scouts (4)
Found 2: Dec 16, 2013
Adoptable
Planted: Apr 21, 2013
Big Canyon Park
San Carlos, CA
San Mateo 8.3Accuracy: Coordinate
Born in the USA
Attempted: Jan 24, 2014
Adoptable
Planted: Jul 12, 2010
San Mateo, CA San Mateo 8.9Accuracy: Town
Get to the Point
Attempted: Sep 6, 2010
Adoptable
Planted: May 1, 2004
San Mateo, CA San Mateo 8.9Accuracy: Town
In The Hollow
Found: Oct 15, 2015
look for more trains
Planted: Sep 14, 2006
San Mateo, CA San Mateo 8.9Accuracy: Town
San Mateo Public Library Adoptable
Planted: Dec 4, 2006
San Mateo, CA San Mateo 8.9Accuracy: Town
Shopaholic
Found: Aug 6, 2009
Adoptable
Planted: Jul 29, 2009
San Mateo, CA San Mateo 8.9Accuracy: Town
Windy Weather
Retired: Mar 30, 2016
Adoptable
Planted: Sep 14, 2009
San Mateo, CA San Mateo 8.9Accuracy: Town
beresford park - no longer active
Retired: Jan 4, 2021
look for more trains
Planted: Sep 2, 2006
San Mateo, CA San Mateo 8.9Accuracy: Town
Dead Men Tell No Tales
Attempted: Aug 31, 2014
Adoptable
Planted: Jun 26, 2012
Twin Pines Park
Belmont, CA
San Mateo 9Accuracy: Coordinate
SFO
Attempted: Nov 1, 2010
Adoptable
Planted: Dec 31, 2004
Burlingame, CA San Mateo 9Accuracy: Town
Portola "Discovery" Site
Attempted: Oct 2, 2018
Adoptable
Planted: Nov 6, 2011
Sweeney Ridge National Park
Pacifica, CA
San Mateo 9Accuracy: Intersection
Ladies' Little Letterbox
Found: Aug 18, 2015
Adoptable
Planted: Jun 9, 2015
San Carlos, CA San Mateo 9Accuracy: Town
Bay Front Path
Attempted: Jul 8, 2006
Adoptable
Planted: Jun 22, 2006
Foster City/ Burlingame, CA San Mateo 9.3Accuracy: Street
Troop 61736
Attempted: Mar 24, 2017
Adoptable
Planted: Mar 1, 2017
Sunnybrae
San Mateo, CA
San Mateo 9.3Accuracy: Coordinate
Audio Drama - Dinotopia
Retired: Feb 7, 2016
Nature Hikers
Planted: Jul 13, 2013
Casanova Park
San Mateo, CA
San Mateo 9.4Accuracy: Coordinate
Macy's Delight
Found: Apr 18, 2016
Adoptable
Planted: Apr 3, 2016
Peralta, past Rosita
Pacifica, CA
San Mateo 9.5Accuracy: Street
Go to the Fault-MISSING
Missing: Feb 6, 2016
Adoptable
Planted: Nov 6, 2004
Millbrae, CA San Mateo 9.6Accuracy: Town
Where's Waldo?
Attempted: Aug 11, 2008
Adoptable
Planted: Aug 10, 2004
Millbrae, CA San Mateo 9.6Accuracy: Town
Hangman Game 10
Found: Oct 4, 2018
Silver Eagle
Planted: Nov 2, 2010
Millbrae, CA San Mateo 9.6Accuracy: Town
What Is It? (letterbox/geocache hybrid)
Attempted: Aug 12, 2018
Adoptable
Planted: Sep 4, 2013
The It's It Factory
Burlingame, CA
San Mateo 9.7Accuracy: Coordinate
Eaton Park: Stumped
Found: Jun 10, 2015
Adoptable
Planted: Apr 3, 2010
San Carlos, CA San Mateo 9.7Accuracy: Town
Running Rampant
Found: Jan 27, 2010
Adoptable
Planted: Jan 4, 2010
San Carlos, CA San Mateo 9.7Accuracy: Town
San Carlos Pine
Found: Jun 26, 2009
Adoptable
Planted: Feb 1, 2008
San Carlos, CA San Mateo 9.7Accuracy: Town
We All Scream For Ice Cream, 2010 Series
Found: Aug 25, 2014
Adoptable
Planted: Sep 25, 2010
San Gregorio, CA San Mateo 9.7Accuracy: Town
Cowgirls - Missing as of 08/06/07
Missing: Feb 6, 2016
Adoptable
Planted: Jul 4, 2007
Woodside, CA San Mateo 9.9Accuracy: Town
Dynasty
Found: Jul 15, 2010
Adoptable
Planted: Apr 16, 2009
woodside, CA San Mateo 9.9Accuracy: Town
Edgewood Park
Attempted: Jul 15, 2008
Adoptable
Planted: Mar 26, 2006
Woodside, CA San Mateo 9.9Accuracy: Town
Jumble Game 16
Found: Jan 4, 2024
Silver Eagle
Planted: Jul 27, 2011
Woodside, CA San Mateo 9.9Accuracy: Town
The Bee Area Hitchhiker Hostel
Attempted: Jul 2, 2014
Adoptable
Planted: Oct 11, 2010
Woodside, CA San Mateo 9.9Accuracy: Town
Diving Fishes
Found: Jan 11, 2024
Kudichan
Planted: Jun 8, 2019
Woodside, CA San Mateo 9.9Accuracy: Town
Little Cat Steps
Found: Jan 11, 2024
Kudichan
Planted: Jun 8, 2019
Woodside, CA San Mateo 9.9Accuracy: Town
GOING MUSICAL IN SAN MATEO
Attempted: Jul 8, 2007
Adoptable
Planted: May 5, 2007
San Mateo-North Shoreview area, CA San Mateo 10.2Accuracy: Town
SCOUTING AROUND IN SAN MATEO
Attempted: Jul 8, 2007
Adoptable
Planted: May 5, 2007
San Mateo- North Shoreview area, CA San Mateo 10.2Accuracy: Town
SOMETHING FISHY IN SAN MATEO
Attempted: Jul 8, 2007
Adoptable
Planted: May 5, 2007
San Mateo- North Shoreview Area, CA San Mateo 10.2Accuracy: Town
"H"is for HILLER Aviation Museum
Attempted: Aug 31, 2014
Adoptable
Planted: Jun 16, 2012
HILLER Aviation Museum, 601 Skyway Road
San Carlos, CA
San Mateo 10.2Accuracy: Coordinate
It's All About The Benjamins (letterbox/geocache h
Found: Dec 30, 2014
Adoptable
Planted: Sep 4, 2013
Ben Franks No 2
Redwood City, CA
San Mateo 10.5Accuracy: Coordinate
Duck, Duck, Goose
Found: Oct 23, 2023
Nature Hikers
Planted: Jun 6, 2019
Redwood City, CA San Mateo 10.7Accuracy: Town
"Pura Vida"
Attempted: May 14, 2013
Adoptable
Planted: Dec 7, 2008
Redwood City, CA San Mateo 10.7Accuracy: Town
Deep Diver
Attempted: Dec 30, 2014
Adoptable
Planted: Dec 26, 2008
Redwood City, CA San Mateo 10.7Accuracy: Town
It's Your Day!---CURRENTLY MIA!
Found: Aug 14, 2008
Adoptable
Planted: Jul 9, 2008
Redwood City, CA San Mateo 10.7Accuracy: Town
Let's Go Frogging!
Missing: Mar 30, 2016
Adoptable
Planted: Mar 25, 2007
Redwood City, CA San Mateo 10.7Accuracy: Town
Perspicacious Pelican
Retired: Apr 28, 2017
Adoptable
Planted: Dec 26, 2008
Redwood City, CA San Mateo 10.7Accuracy: Town
Grandma Lita
Found: Dec 29, 2007
Adoptable
Planted: May 11, 2007
Pacifica, CA San Mateo 10.9Accuracy: Town
Harold and Maude #1 (Sarah's Babybox)
Attempted: Jun 8, 2008
Adoptable
Planted: Sep 10, 2005
Pacifica, CA San Mateo 10.9Accuracy: Town
These boots are made for hiking
Attempted: Aug 11, 2016
Adoptable
Planted: Jul 25, 2010
Pacifica, CA San Mateo 10.9Accuracy: Town
Upside Down Tree Letterbox
Found: Aug 3, 2013
Adoptable
Planted: Apr 15, 2008
Pacifica, CA San Mateo 10.9Accuracy: Town
Hangman Game 9
Found: Sep 12, 2015
Silver Eagle
Planted: Nov 1, 2010
Pacifica, CA San Mateo 10.9Accuracy: Town
Wetlands Hurray!
Found: Jun 30, 2008
Adoptable
Planted: Sep 23, 2004
Foster City, CA San Mateo 10.9Accuracy: Town
This Way to The Egress (Microbox)
Missing: Mar 30, 2016
Adoptable
Planted: Mar 17, 2006
Redwood Shores, CA San Mateo 11.2Accuracy: Town
Hangman Game 12
Found: Oct 2, 2018
Silver Eagle
Planted: Nov 1, 2010
San Bruno, CA San Mateo 11.6Accuracy: Town
Sweeney Ridge
Attempted: Oct 2, 2018
Adoptable
Planted: Nov 16, 2008
San Bruno, CA San Mateo 11.6Accuracy: Town
The Big Cheese Fondue
Found: Jun 8, 2019
Nature Hikers
Planted: Jul 7, 2018
Portola Valley, CA San Mateo 12Accuracy: Town
California History
Found: Sep 13, 2018
Adoptable
Planted: Jan 12, 2005
Portola Valley, CA San Mateo 12Accuracy: Town
Not Calm, Not Flat
Retired: Apr 29, 2017
Adoptable
Planted: Mar 20, 2008
Portola Valley, CA San Mateo 12Accuracy: Town
Procyon Lotor
Attempted: Jun 22, 2008
Adoptable
Planted: Nov 25, 2004
Portola Valley, CA San Mateo 12Accuracy: Town
Holbrook Palmer Park
Found: May 7, 2006
Adoptable
Planted: Feb 9, 2006
Atherton, CA San Mateo 12.7Accuracy: Town
"G" is for Geebee
Attempted: Apr 3, 2015
Adoptable
Planted: Oct 9, 2012
Arastrodero Preserve adjacent
Portola Valley, CA
San Mateo 12.8Accuracy: Coordinate
Wildlife of Windy Hill (5)
Found 5: Sep 25, 2012
Adoptable
Planted: Jun 16, 2012
Windy Hill Preserve
Portola Valley, CA
San Mateo 12.8Accuracy: Coordinate
'Dem bones (3)
Retired 3: Mar 30, 2016
Adoptable
Planted: Jun 9, 2012
Holy Cross Cemetery
Menlo Park, CA, CA
San Mateo 12.9Accuracy: Coordinate
Gear up on Mushrooms!
Found: Jun 16, 2017
Adoptable
Planted: Dec 31, 2012
SSF Centennial Trail
South San Francisco, CA
San Mateo 13.1Accuracy: Street
Christmas 2008 Letterbox: Christmas in the Redwood
Found: Nov 15, 2011
Adoptable
Planted: Mar 8, 2009
La Honda, CA San Mateo 13.1Accuracy: Town
aMAZEing
Found: Mar 18, 2009
Adoptable
Planted: May 1, 2008
South San Francisco, CA San Mateo 13.3Accuracy: Town
"A" is for AIRPLANE
Attempted: Oct 3, 2012
Adoptable
Planted: Jun 15, 2012
Jack Lyle Park
Menlo Park, CA
San Mateo 13.5Accuracy: Coordinate
Greek
Attempted: Jun 14, 2012
Adoptable
Planted: Nov 4, 2008
Menlo Park, CA San Mateo 13.6Accuracy: Town
Peetnik
Found: Nov 15, 2011
Adoptable
Planted: Nov 4, 2008
Menlo Park, CA San Mateo 13.6Accuracy: Town
Wild & Free (replaced 4/15/08)
Found: Mar 26, 2008
Adoptable
Planted: Mar 25, 2008
Menlo Park, CA San Mateo 13.6Accuracy: Town
Wild & Free( #2)
Missing: Jun 17, 2012
Adoptable
Planted: Apr 15, 2008
Menlo Park, CA San Mateo 13.6Accuracy: Town
School is Cool Series (4)
Retired 4: Mar 30, 2016
Adoptable
Planted: Apr 10, 2012
Corte Madera School
Portola Valley, CA
San Mateo 13.6Accuracy: Coordinate
Poopy in Pacifica
Retired: Apr 24, 2017
Adoptable
Planted: Jul 18, 2009
Fairmont Park
Pacifica, CA
San Mateo 13.8Accuracy: Coordinate
Love-a-lot Bear
Retired: May 30, 2016
Adoptable
Planted: Nov 17, 2010
Stanford, CA Santa Clara 14.1Accuracy: Coordinate
YPS - Yam Postal Service
Found: Mar 26, 2017
Adoptable
Planted: Apr 12, 2015
N 37 40.143 W 122 24.930
South San Francisco, CA
San Mateo 14.2Accuracy: Address
Strawberry Fields Forever--reported possibly missi
Retired: May 22, 2016
Adoptable
Planted: Jul 31, 2005
Pescadero, CA San Mateo 14.6Accuracy: Town
Timber!
Attempted: Oct 15, 2022
RedwoodAvery
Planted: Jun 13, 2019
Stanford, CA Santa Clara 14.7Accuracy: Town
Peep-Squeek
Retired: Apr 24, 2017
Adoptable
Planted: Jul 7, 2009
Colma, CA San Mateo 14.9Accuracy: Town
Fly on the Wall
Attempted: Jul 2, 2014
Adoptable
Planted: May 27, 2012
Arastradero Preserve
Los Altos, CA
Santa Clara 15Accuracy: Coordinate
Darcy Farrow
Found: Apr 22, 2016
Adoptable
Planted: Feb 27, 2009
Brisbane, CA San Mateo 15.1Accuracy: Town
Fish Out Of Water
Attempted: Jul 8, 2007
Adoptable
Planted: Jul 8, 2004
Daly City, CA San Mateo 15.7Accuracy: Town
The Frolicking Place (No Clues)
Found: Jul 4, 2009
Adoptable
Planted: Oct 24, 2004
Daly City, CA San Mateo 15.7Accuracy: Town
toxophile
Attempted: Oct 14, 2007
Adoptable
Planted: Mar 16, 2007
daly city, CA San Mateo 15.7Accuracy: Town