Sea Colony, 303 Mainsail Cir

$1.2M21.2%
$945,000
3
Beds
3
Baths
1,897
SqFt
Status
Sold - Jul 28, 2026
Parking
1
Size
1,897 SqFt (176 m2)
Price
$498/SqFt ($5,362/m2)
Type
Condo
Built
1989
HOA
$1,075/MO
MLS Number
R11139249
View
Ocean
On Site
309 Days
Updated
3 Days ago
Page Views
0
BEST LOCATION IN SEA COLONY — WALK TO BEACH IN LESS THAN A MINUTE Discover paradise in this beautifully appointed, dog-friendly Sea Colony condo offering stunning ocean views just steps from Jupiter's pristine beaches. This spacious 3-bedroom, 3-bath residence features a bright, open-concept layout, a private covered balcony, and a 1-car garage—perfect for effortless coastal living. The updated kitchen showcases granite countertops and modern finishes and is being offered fully furnished for a seamless move-in experience. Located within the highly sought-after Sea Colony community, residents enjoy 24-hour manned gated security and resort-style amenities, including two private beach access points, a sparkling pool and hot tub, pickleball and tennis courts, and a fully equipped fitness center. Relax poolside amid lush tropical landscaping or enjoy the refreshing ocean breeze from your private retreat. A fully funded front entrance renovation is currently underway with completion expected in 2026—with no assessment due. Ideally located near Jupiter's premier dining, Intracoastal waterways, shopping, golf, and outdoor recreation, this property captures the essence of luxury coastal living. Welcome home to Sea Colony—where Jupiter living is at its finest. Welcome home to Jupiter living at its finest!

Features

Bedrooms
  • Bedrooms: 3
Bathrooms
  • Bathrooms: 3
  • Half Bathrooms: No info
Exterior and Lot Features
  • Exterior Features: Balcony, OutdoorLivingArea
  • View: Ocean
Interior, Heating and Cooling
  • Interior Features: BreakfastArea, CathedralCeilings, DualSinks, EatInKitchen, HighCeilings, KitchenDiningCombo, LivingDiningRoom, Pantry, SplitBedrooms, SeparateShower, VaultedCeilings, WalkInClosets
  • Equipment / Appliances: Dryer, Dishwasher, ElectricRange, Disposal, Microwave, Refrigerator, Washer
  • Heating Description: Central, Electric, Individual
  • Cooling Description: CentralAir,Electric
Building and Construction
  • Floor Description: Carpet,Laminate
  • Windows/Treatment: Blinds
  • Construction Type: MultiFamily
  • Year Built: 1989
Waterfront and Water Access
  • Waterfront Frontage: Yes
School Information
  • Elementary School: Beacon Cove Intermediate
  • Middle School: Independence
  • Senior High School: William T. Dwyer
Other Property Info
  • Garage: 1
  • Listing Date: 2025-11-09T10:47:20.000-00:00
  • Directions: East
  • Pets Allowed: NumberLimit,Yes
Taxes, Fees & More
  • Maintenance Includes: CommonAreas, CableTv, Insurance, MaintenanceGrounds, Sewer, Security, Trash, Water, Internet
  • Taxes: 13040.4
  • Security Information: GatedWithGuard, GatedCommunity
  • Parking Description: Attached, Garage, GarageDoorOpener, Guest
  • Total Floors in Building: 2
  • Total Units in Complex: 171

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Price History

Current
$945K
High
$1.2M
Low
$945K
Total Change
-21.2%
$1.2M$1.1M$914KNov 25Jan 26May 26May 26May 26Jul 26
Date
Event
Price
Change
Price Per
07/28/2026
Sold
$945K
0%
$498 ft2
$5,362 m2
05/12/2026
Price Reduced
$945K
-14.01%
$498 ft2
$5,362 m2
05/12/2026
Price Reduced
$1.1M
0%
$579 ft2
$6,236 m2
05/12/2026
Price Reduced
$1.1M
-4.43%
$579 ft2
$6,236 m2
01/23/2026
Price Reduced
$1.2M
-4.17%
$606 ft2
$6,525 m2
11/25/2025
Listed
$1.2M
 
$633 ft2
$6,809 m2
07/28/2026
$945K
Event
Sold
Change
0%
Price Per
$498 ft2
$5,362 m2
05/12/2026
$945K
Event
Price Reduced
Change
-14.01%
Price Per
$498 ft2
$5,362 m2
05/12/2026
$1.1M
Event
Price Reduced
Change
0%
Price Per
$579 ft2
$6,236 m2
05/12/2026
$1.1M
Event
Price Reduced
Change
-4.43%
Price Per
$579 ft2
$6,236 m2
01/23/2026
$1.2M
Event
Price Reduced
Change
-4.17%
Price Per
$606 ft2
$6,525 m2
11/25/2025
$1.2M
Event
Listed
Price Per
$633 ft2
$6,809 m2
Price per square foot and days on website are not provided values and are calculated by Subdivisions.
Listed by Cindy ArcobassoLuxury Real Estate Group LLC • Buyer Agency Compensation .

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Scores

Walk Score®
Car-Dependent. Most errands require a car
29

100
Bike Score®
Very Bikeable. Biking is convenient for most trips
71

100
Sound Score®
Bearable noise
78

100
Airport Score
Close to airports. Noticeable airport activity
0

100
Traffic Score
Congested area. Frequent traffic delays
28

100
Local Score
Limited local amenities nearby
0

100
Community Snapshot
2 – 3 BR
Bedrooms
$725K – $1.1M
Price Tier
1,263 - 2,164
SqFt Range
1989
Year Build
2
Total Floors

Subdivision Amenities

Beach Access
Beach Rights
Clubhouse
Fitness Center
Management
Pickleball
Pool
Sidewalks

Jupiter
Mid-Tier
Mid-Tier Homes & Condos