Picture stepping from a private island onto your tender at sunrise, then being on blue water in minutes with the whole Lower Keys at your bow. If you love the idea of Sunset Key’s serenity but need real, working access for a yacht, you are not alone. Many owners pair island living with smart dockage choices across Key West. In this guide, you will learn how that setup works, where to keep your boat, and the rules that shape a smooth season on the water. Let’s dive in.

Why boaters choose Sunset Key

Sunset Key is a 27-acre private island just offshore of Old Town Key West. You reach it by ferry that runs between the island and the Opal Key dock on Front Street. The island blends resort amenities with private residences, which is part of the appeal if you want privacy and concierge-style ease. For an overview of the island’s resort side, explore the operator’s page for Sunset Key Cottages.

Here is the practical truth for owners. Sunset Key itself is not set up as a public marina hub. Some private homes have docks, but rights and vessel size limits vary by parcel and by association rules. Before you assume slip access, confirm what is deeded and what is permitted using the resort’s guest access and FAQ page.

Day-to-day access and transfers

You and your guests will typically move between the island and Key West by resort launch. Transfers are short, often about 5 to 10 minutes. Many owners keep the yacht in a nearby Key West slip, then use the ferry as a simple crew and provisioning bridge. If proximity is your top priority, the ferry connects at the Opal Key dock next to the Opal Key Resort & Marina.

Best slip options near Sunset Key

Your ideal marina depends on vessel size, service needs, and where you want to spend time ashore. Below are the closest and most used options for Sunset Key owners.

Opal Key Resort & Marina

• 37-slip resort marina located on Front Street by Mallory Square.
• Advertises accommodations for motor yachts from roughly 25 to 200 feet, with daily and overnight dockage.
• Shore power and resort amenities on site, plus immediate access to Old Town.
• This is also the ferry connection point for Sunset Key, which keeps logistics tight. Review details and sample rates on the Opal Key Marina page.

City of Key West marinas

• Garrison Bight and Key West Bight Historic Seaport provide municipal slips, transient dockage, and moorings.
• Deep-water transient slips and a dockmaster team serve visiting yachts, with pumpouts offered through the city program.
• If you want a municipal slip, the City’s Seaport and Marinas office is your first stop. Use the City of Key West marina directory for contacts and policies.

Conch Harbor Marina

• In the Historic Seaport with a fuel dock, ship’s store, pumpout, and guest amenities.
• Walkable to Duval Street and downtown provisioning.
• Popular for short stays and turnarounds. Learn more at Conch Harbor Marina.

Stock Island Marina Village

• A large, service-focused facility on Stock Island with transient and long-term slips.
• Fuel, pumpouts, pool, laundry, and on-site amenities are designed for longer layovers.
• Advertises accommodations up to about 115 feet and quick access to the channel. Details at Stock Island Marina.

Size, power, and service notes

A few factors make Key West easy for most yachts. Opal Key advertises capacity up to 200 feet, City marinas list deep-water transient options, and Stock Island handles many mid to large boats. Always confirm LOA, beam, draft, and shore power requirements with your marina. Ask about diesel availability, pumpout timing, and any haulout plans before you commit to a slip.

Cruising grounds from your base

Sunset Key sits at the doorstep of world-class day trips and rewarding passages. With a slip in Key West and your island home a few minutes away, it is simple to stage runs that fit your schedule and the weather.

Marquesas Keys

About 25 to 30 miles west, the Marquesas are prized for snorkeling, diving, and flats fishing. Many owners run out early for a full day and return before dusk. It is a classic remote-feel outing within a short window of daylight. Get a quick overview in this Marquesas Keys guide.

Dry Tortugas National Park

Roughly 68 to 70 miles west, the Dry Tortugas are a bucket-list destination. The passage takes planning for fuel, crew rest, and weather. The National Park manages moorings, overnight use, and visitor rules, so check current notices on the Dry Tortugas updates page before you set off.

Atlantic reef tract and Gulf side

The Keys’ reef tract offers spectacular diving and sportfishing. Many sites are inside the Florida Keys National Marine Sanctuary. Expect to use mooring buoys instead of anchoring on live coral and follow site-specific restrictions. Learn about sanctuary protections on the FKNMS overview.

Backcountry and flats

Florida Bay and the backcountry reward shallow-draft exploration. Depths and tidal windows vary by route, so rely on current NOAA charts and local guidance. Many owners keep a tender rigged for these waters, which expands options on windy days when the reef is less comfortable.

Rules that protect the Keys

Boating here is straightforward when you know the rules that keep the waters healthy. Plan for these standards before you arrive, then make them part of your crew briefing.

Sanctuary mooring and anchoring

The Florida Keys National Marine Sanctuary maintains a network of mooring buoys to reduce coral damage. In sensitive zones and Sanctuary Preservation Areas, anchoring can be restricted and moorings are the norm. For context on buoy management and rule changes, see NOAA’s mooring buoy update and the final Restoration Blueprint overview.

No-Discharge Zone

The Florida Keys are a federal No-Discharge Zone for vessel sewage. Keep waste in holding tanks and use marina pumpout services. The EPA summarizes the policy on its No-Discharge Zones page.

Dry Tortugas National Park rules

Garden Key and Fort Jefferson have specific mooring and overnight rules. Always confirm current restrictions, closures, or project work before committing to an overnight. Check the park’s updates as part of your passage planning.

City harbor management

Municipal slips, moorings, and hurricane procedures are coordinated through the City of Key West. If you plan to stay in a city facility, request written terms for transient or seasonal use, pumpout schedules, and storm plans. Start with the City marina directory to reach the right dockmaster office.

Buyer checklist for marine living

If you are considering a Sunset Key residence and plan to keep a boat nearby, use this checklist to align property features with vessel needs.

• Deeded dock rights: Confirm in writing what dockage, if any, is deeded to the parcel, plus transferability. Verify permitted LOA, beam, draft, and any guest docking rules. The island’s association and operator set the standard. Use the resort’s FAQ as a starting point.
• Slip strategy: Decide which marina best fits your vessel and routine. Opal Key for immediate proximity to the ferry, City marinas or Conch Harbor for Historic Seaport access, or Stock Island for service depth and value. Contact each for current sizes, depths, and availability.
• Fuel, pumpouts, and service: Opal Key, Conch Harbor, and Stock Island list fuel and pumpout options. For major refit or specialized work, coordinate with Stock Island yards or plan for larger South Florida shipyards.
• Reef etiquette and moorings: Plan to use mooring buoys at reef sites and avoid anchoring on coral. Review the Sanctuary’s current notices and Restoration Blueprint highlights.
• Hurricane plan: Ask every marina for its storm procedure. Clarify relocation triggers, haulout options, and any storage or transport costs so you can budget accurately.

A day in the life on Sunset Key

Wake to quiet palms and water views, then catch the early launch to Opal Key with a coffee in hand. Your crew steps aboard a fully provisioned boat ten minutes later, slips lines, and points west for the Marquesas by midmorning. Afternoon finds you on a calm mooring with clear water off the reef, then back to the harbor by golden hour for an easy tie up and a sunset ferry ride home. Dinner at Latitudes and a starlit walk to your verandah finish the day.

Budgeting notes for owners

If you plan to dock at Opal Key for short stays, published day rates on the marina’s site offer a ballpark for planning. Always confirm current pricing and power surcharges directly with the dockmaster. For seasonal slips, expect high demand during peak months in Old Town, and call early for City marinas, Conch Harbor, or Stock Island to secure your window.

Work with local stewards of the island and harbor

Choosing the right home is only half the equation. Matching that residence with a practical slip plan, ferry logistics, and regulatory clarity turns a beautiful address into a seamless boating base. If you want a discreet, end-to-end approach from people who live this market every day, connect with Bob Cardenas and Matthew Carlson. Explore Properties on Sunset Key.

FAQs

Is there a marina on Sunset Key for visiting boats?

• No, Sunset Key is a private island that operates with resort ferry access, and day-visitor boat docking is limited and controlled by the operator; most owners use nearby Key West marinas such as Opal Key Resort & Marina.

Where can I keep a 100-foot yacht near Sunset Key?

• Consider Opal Key Resort & Marina for proximity, the City of Key West marinas for deep-water transient options, and Stock Island Marina for service-oriented slips.

How long is the Sunset Key ferry ride to Key West?

• Transfers typically take about 5 to 10 minutes between Sunset Key and the Opal Key dock, which makes provisioning and crew changes simple.

Can I anchor on the reef near Key West?

• Many reef sites are inside the Florida Keys National Marine Sanctuary where mooring buoys are provided and anchoring can be restricted; review NOAA guidance on moorings and protections via the FKNMS overview.

How far are the Dry Tortugas from Sunset Key by boat?

• The Dry Tortugas sit about 68 to 70 miles west of Key West, so plan for a longer passage and follow National Park guidance on moorings and overnight use using the park’s updates.