398 70th St Gulf, Marathon, FL 33050 (MLS# 616770)

398 70th St Gulf, Marathon, FL 33050

$2,995,000

Virtual Tour

https://presentation.saltylimemarathon.com/investmentopportunity

02 SaltyLime Aerial Lagoon to Open Water

Property Type: Residential Bedrooms: 6 Baths: 6 Square Footage: 2,143 Lot Size (sq. ft.): 9,360 Status: Active

Current Price: $2,995,000 List Date: 3/02/2026 Last Modified: 3/02/2026

Overview

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 in ... (Read more)

Listing Details MLS# 616770

Location, Tax & Legal

Street #: 398
Street Name: 70th St Gulf
Key/Island: Marathon
State/Province: FL
Zip Code: 33050
County: Monroe
Subdivision: Roosevelt Point #1 (51.0)
Area: 15 - Sombrero Bch Rd to Vaca Cut Gulfside
City: MARATHON
Off Shore Island: No
Mile Marker: 51
Marathon Neighborhood: Mid-Town - Gulf (Sombrero to Airport)
Side: Bay/Gulf
Flood Zone: AE
Alternate Key #: 1407178
Handicap Access: No
Parcel #: 00331130-000000
Zoning: R-MH - Residential - MH
Deed Restrictions: No
Legal: LOT 5 ROOSEVELT POINT PLAT NO 1 KEY VACCA PB5-5 OR384-917 OR595-519 OR671-442 OR1249-698 OR1731-1671 OR2616-568 OR2747-1
Taxes: 7902.89
Tax Year: 2024
Pub Sewer HkUp: Yes

Contract Information

Listing Board: Marathon/Lower Keys
As is Rght to Inspct: Yes
Species List: No

General Property Description

Realtor.COM Type: Residential - Single Family
Style: Single Family
Waterfront: Yes
Control Depth: 5
Pool: Yes
Year Built: 1979
Lot SqFt: 9360
Acres: 0.21
Living Apx SqFt: 2143
SqFt Source: Builder/Architect
Total Bedrooms: 6
Full Baths: 6
Total Baths: 6
Rentals Allowed: Yes
Min Rental Days: 7
Total Units: 0

Association Info

Mandatory Home Owners Asc: No
Condo Doc's: No
1st Right of Refusal: No
Association Fee $: 0

Dockage

Dock Length: 90
Dock: Wood
Boat Slip: Yes

More Information

Building Style

Above Flood: Yes
Stilt Column Height: Medium - 5Ft - 9Ft
Stories: 1 Story

Financial Status

Standard Sale: Yes

Remarks & Misc

Remarks – Consumer: 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
Directions: Heading South in Marthon just past the Airport turn on 70th Street Gulf (Brutus Seafood on the corner) 4th Building on your right

Fee Includes

None: Yes

Tax Exemptions

None: Yes

Appliances

Dishwasher: Yes
Disposal: Yes
Dryer: Yes
Freezer: Yes
Microwave: Yes
Range: Yes
Refrigerator: Yes
Stainless Steel Appliance(s): Yes
Washer: Yes
Wine Cooler: Yes

Pets

No Pets Allowed: Yes

Cooling

Ceiling Fans(s): Yes
Central Air: Yes
Ductless: Yes
Heat Pump: Yes

Heating

Ductless: Yes
Electric: Yes
Forced Air: Yes

Waterfront

Bay Front: Yes

Waterview

Bay/Gulf View: Yes

Floor

Laminate: Yes

Neighborhood Feature

Airstrip: Yes
Beach: Yes
Bike Paths: Yes
Community Boat Ramp: Yes

Interior Features

Bar: Yes
Granite Counter Top: Yes
Smoke Alarms: Yes

Specialty Rooms

Laundry Room: Yes

Windows/Doors

Impact Rstnce Doors: Yes
Impact Rstnce Window: Yes

Vehicle Storage

Open Parking: Yes

Construction

CBS: Yes
Combo Construction: Yes
Hardi Board Siding: Yes

Land Size

Less Than 1/4 Acre: Yes

Furnished

Furnished: Yes

Utilities

Elect Separate Meter: Yes
FKAA: Yes
Water Separate Meter: Yes

Porch/Balcony

Open Porch/Balcony: Yes

Title

Negotiable: Yes

Exterior Features

Detached Guest Qtrs: Yes
Fencing: Yes
Gazebo: Yes
Hot Tub: Yes
Sandy Beach: Yes
Storage: Yes

Pool Info

In Ground: Yes
Salt Water: Yes
Concrete: Yes
Decked: Yes

Roof

Metal Roof: Yes

GF-Interior Features

LED Lighting: Yes
Low Flow Toilets: Yes
Tankless Hot Wtr Htr: Yes

Property Features

Fee Includes: None Tax Exemptions: None Waterfront: Bay Front Waterview: Bay/Gulf View Dockage: Boat Slip Vehicle Storage: Open Parking Furnished: Furnished Cooling: Ceiling Fans(s); Central Air; Ductless; Heat Pump Heating: Ductless; Electric; Forced Air Utilities: Elect Separate Meter; FKAA; Water Separate Meter Interior Features: Bar; Granite Counter Top; Smoke Alarms Specialty Rooms: Laundry Room Appliances: Dishwasher; Disposal; Dryer; Freezer; Microwave; Range; Refrigerator; Stainless Steel Appliance(s); Washer; Wine Cooler Exterior Features: Detached Guest Qtrs; Fencing; Gazebo; Hot Tub; Sandy Beach; Storage Pool Info: In Ground; Salt Water; Concrete; Decked Construction: CBS; Combo Construction; Hardi Board Siding Floor: Laminate Roof: Metal Roof Pets: No Pets Allowed Neighborhood Feature: Airstrip; Beach; Bike Paths; Community Boat Ramp Land Size: Less Than 1/4 Acre Title: Negotiable GF-Interior Features: LED Lighting; Low Flow Toilets; Tankless Hot Wtr Htr

Listing Office: Lokation Real Estate

Last Updated: March - 02 - 2026

The data relating to real estate for sale on this web site comes in part from the Florida Keys MLS, Inc. Information provided is deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. The information being provided is for consumers’ personal, non-commeral use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. IDX data is deemed reliable but is not guaranteed accurate by the MLS.