Why choose Key by the Sea?

Keys RV/Mobile Home Condominium Association, Inc. is now "Key by the Sea". We are a member owned residential association.

In September 2004, the member-owners purchased the park.

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After Hours Drop Box

The office now has a drop box for paperwork next to the front door.

Please use this to deliver any paperwork if the office is closed.

drop box use


Normal Office Hours

Mon-Fri 9:00 AM - 5:00 PM (closed for lunch usually Noon - 1:00 PM, can vary)

Sat-Sun Closed

305 743-5164


In the event a unit arrives during non office hours and weekends, please leave a note with your name, phone number and lot number in the after hours drop box.


Keys RV/Mobile Home Condominium Association, Inc.

This location has been serving transient and long term mobile home residences since the early 1950's. In September 2004, the member-owners purchased the park. They established and incorporated it for the purpose of providing site ownership for the residences. Key RV/Mobile Home Condominium Association is one of the last bastions of affordable housing in the Florida Keys. All rentals and or sales are handled by the individual owners, please do not call the association office regarding rentals as we have nothing to do with rentals or sales.

The association common property includes Atlantic Ocean access via private canal dockage or private canal boat ramp.

Bathhouse There are three bathhouses and full service Laundry facilities located within the park.

The Clubhouse/Recreation Hall is located near the entrance and is used for various functions including: fish fries, community meetings, pot-luck dinners, New Years Eve parties, bingo, dances, board meetings and other get-togethers.
The property also includes an ocean-point waterfront pavilion, with picnic tables, park benches and barbecue. This is a great place for a picnic or just relaxing with friends enjoying a breathtaking view of the Atlantic Ocean. The property is a pet friendly community.

Residents and owners must register to use ticket system and forum.


Key by the Sea Website

Residents and Owners Register here.Click above to register

Stay Informed - For Residents & Owners Only!



Registration and Login to this system is for verified residents and owners only. You must use a valid email address you have access to. Email will be sent and you must click the link to notify an administrator to activate your new login account so that you may use the Forum section of our website.

If you do not see an email from "Keys by the Sea - Marathon Florida Keys" within the hour, then check your SPAM/JUNK folder. It may be there, You can add the address "This email address is being protected from spambots. You need JavaScript enabled to view it." to your address book and that should prevent your email provider from putting our email in your SPAM/JUNK folder.

2018 Fishing Regulations

2018 Florida Fishing Regulations

Important Telephone Numbers

Non Emergency Police Dispatch Number 24 Hours

305 292-7050

Fishermans Hospital

305 743-5533

Marathon City Hall

305 743-0033

2018 Boating Regulations

2015 Florida Keys Boating Regulations

Who's Online

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Keys News

Florida Keys Weekly Newspapers

26 February 2020

  • KCB’s New City Hall
    Key Colony Beach (KCB) is preparing for the future with new hires and a new city hall. Keys Weekly has an exclusive look at the latest design for the building that will replace Marble Hall and the post office.  Tony Rosabal, the architect behind the project, presented two initial designs at a KCB February town […]
  • Key West writer to dissect the creative process
    For many aspiring and veteran storytellers alike, the process of writing can be daunting and frustrating. “Writer’s block” is a real enemy to the creative process, just as fear of the blank page can be too.  On Thursday, Feb. 27 at 2 p.m. at St. Columba Episcopal Church, mystery writer Michael Haskins will help us […]
  • Five million secured for water quality
    While the Florida Keys led the way in ridding leaky septic systems and cesspools, municipalities continue to wait for tens of millions in federal reimbursement. Following a letter from U.S. Rep. Debbie Mucarsel-Powell, the U.S. Army Corps of Engineers’ 2020 work plan, which was delivered to Congress on Feb. 10, shows the highest level of […]
  • Council hears issues at White Marlin Beach
    On the bayside in Lower Matecumbe, a sandbar is growing in popularity. As a result, residents living near White Marlin Beach are expressing concern over a situation that’s getting out of hand with drunks hopping off their boats, venturing away from the sandbar and coming onto private property. It’s also become a safety issue on […]
  • Marketing maven creates vision boards to turn dreams into reality
    Earlier this year, I made my first vision board. It sits at my writing desk immediately behind my laptop screen, and any time I look up — tired, frustrated, stuck or otherwise — it’s there. It’s also the first thing I see after I finish something I’m proud of. It reminds me — with its […]
  • Sheriff reports crime reduction
    Better, safer, cleaner streets. Better, safer, cleaner neighborhoods. Those were Monroe County Sheriff Rick Ramsay’s words as he reported a 13.6% reduction in crime for 2019 to community leaders in Key Largo recently. In the past two years alone, Ramsay said, crime went down 30 percent. “This is the safest it’s ever been,” he said. […]
  • Planning Board needs 1 new member
    The governor stole one of Key West’s Planning Board members — well, sort of. Gov. Ron DeSantis in September 2019 appointed Key West resident Ed Russo to the state’s Board of Harbor Pilot Commissioners. The Florida Senate confirmed that appointment this month, meaning Russo must step down from the city board, to which City Commissioner […]
  • Clinic aiding low-income, uninsured
    With care from Good Health Clinic, a housekeeper who just made ends meet was able to get the insulin she needed for her Type 2 diabetes. A boat captain received the screening and cataract surgery needed to extend his career.  Good Health Clinic is a charitable organization that provides health care to low-income, uninsured residents […]

The Fabulous Florida Keys

The Fabulous Florida Keys

The Florida Keys AKA: America's Caribbean. The underwater world is renowned for awesome reefs, beautiful fish, spectacular shipwrecks and crystal clear turquoise waters.

World Class Fishing

The Florida Keys offers world class fishing

The 125-mile-long arc of islands that comprises the Florida Keys creates a fishing environment unique in the world, and yields an abundance of edible fish.

Paradise U.S.A.

Paradise in the Florida Keys U.S.A.

With activities for all ages and interests, the islands of the Florida Keys include famous destinations such as Key Largo, Islamorada, Marathon and, of course, Key West.

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