Back to Search
398 70th St Gulf photo 1
398 70th St Gulf photo 2
398 70th St Gulf photo 3
398 70th St Gulf photo 4
398 70th St Gulf photo 5
398 70th St Gulf photo 6
398 70th St Gulf photo 7
398 70th St Gulf photo 8
398 70th St Gulf photo 9
398 70th St Gulf photo 10
398 70th St Gulf photo 11
398 70th St Gulf photo 12
398 70th St Gulf photo 13
398 70th St Gulf photo 14
398 70th St Gulf photo 15
398 70th St Gulf photo 16
398 70th St Gulf photo 17
398 70th St Gulf photo 18
398 70th St Gulf photo 19
398 70th St Gulf photo 20
398 70th St Gulf photo 21
398 70th St Gulf photo 22
398 70th St Gulf photo 23
398 70th St Gulf photo 24
398 70th St Gulf photo 25
1 / 25

398 70th St Gulf

Marathon, FL, 33050

Active

$2,995,000

6

Bedrooms

6

Bathrooms

2,143 sqft

Living Area

1979

Year Built

9,360

Lot Size (sqft)

257

Days on Market

Dock Score™

DockOnly
65
Good

What shaped this score

Bay
Dock present
Bridge-free to bay
Fits boats up to ~40ft (est.)

DockOnly.com rating, not provided by the MLS or listing broker.

Dock & Water AccessMLS

Bay Front📝 deep water

AI Aerial Imagery Detection

Dock DetectedSeawall DetectedDeep Water Indicators~34-46 ft dock

Detected by AI from open-source aerial mapping imagery and may not reflect current conditions. This information was not provided by the MLS or listing broker. Always verify dock infrastructure with the listing agent.

Navigation RouteDockOnly

Data sources: SFWMD AHED waterway polygons · FHWA National Bridge Inventory 2024 · Not provided by the MLS or listing broker.

Description

Luxury Waterfront Estate & Premier Vacation Investment - Marathon, FL Introducing The SaltyLime, a rare new-construction waterfront estate completed in 2024 and designed to deliver both tropical elegance and outstanding rental performance. This fully turnkey 6-bedroom, 6-bath property blends the relaxed lifestyle of the Florida Keys with resort-style amenities and seamless indoor-outdoor living. The main house features three spacious king suites and a custom nautical themed bunk room, while two detached bungalows each offer private king suites with individual climate control, creating accommodations for up to 14 guests. Every detail has been thoughtfully designed, from the professionally styled interiors to the island-inspired kitchen with a bar area for entertaining. Outside, expansive living spaces include a heated and cooled saltwater pool and spa, a two-story tiki deck, expansive outdoor living area, and 90 feet of deep-water dockage with slips for up to four boats. As an investment, The SaltyLime has proven itself from the start, generating 32 weeks booked and more than $235,000 in its first year and has already secured over $280,000 in current and future reservations, all supported by a flawless 5-star guest review record across all platforms. The estate comes fully furnished and rental-ready, complete with branding and website, décor, future bookings and systems already in place, making it an effortless transition for new owners. Perfectly suited for boaters, anglers, and families alike, this property is more than a vacation home—it's a high-performing asset and a slice of Keys paradise ready to be enjoyed

Schedule a Showing

See the property and tour the dock. A licensed waterfront specialist will arrange your private showing.

Select a date

Location

Marathon, FL, 33050

No price history available for this property.

Displayed by Blue Mar Real Estate Group Inc., Licensed Florida Real Estate Broker (DBPR CQ1018554) · [email protected]

Listing courtesy of Lokation Real Estate via Florida Keys MLS

Last checked: 9 hours ago

Listing updated: March 2, 2026

© 2026 Florida Keys Board of REALTORS®, Inc. All rights reserved. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange (IDX) program of the Florida Keys Board of REALTORS®. Information is deemed reliable but not guaranteed and should be independently verified. All properties are subject to prior sale, change, or withdrawal.

IDX information is provided exclusively for consumers' personal, non-commercial use. It may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

Nearest Bridge Clearances

Florida Keys, critical for tall/large vessels

No bridge data available for this location.
FEMA Flood Zone AE
BFE: 8ft

Special Flood Hazard Area

View FEMA Flood Map →
Loading nearby marinas…
Loading nearby sandbars…

Mortgage Calculator

Estimate your monthly payment for this waterfront property

20%

$599,000 down

%
Principal & Interest$15,540/mo
Property Tax (est. ~1.2%, varies by county)$2,995/mo
Home Insurance (est.)$250/mo
Total Monthly Payment$18,785
Loan Amount: $2,396,000Rate: 6.75%
Get Pre-Qualified

Estimated payments only. Actual rates and terms may vary.

$2,995,000Tour the dockSchedule a Showing
Navigation note: Navigation routes show the shortest mapped path to open water. A vessel taller than the binding bridge clearance may still reach open water via a longer alternate route that we don't currently map. Verify navigability with a local captain or surveyor before relying on it.