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Deep water, no bridges, and the Gulf minutes from the dock — Port Royal is Florida's premier behind-the-house yachting address. Here's the technical picture: depths, dock math, permits, and the honest constraints.
Reviewed July 3, 2026
John Glenn Sample dredged Port Royal's peninsulas out of mangrove in the early 1950s, and the result is unmatched on Florida's west coast: deep, wide canals with no fixed bridges between your dock and the Gulf, immediately inside Gordon Pass. Seventy-plus-foot yachts routinely live behind homes here; the run to open water is five to fifteen minutes depending on your cove — against 30–45 minutes of slow-speed zones from mid-Naples Bay.
The named waters — Runaway Bay, Champney Bay, Treasure Cove, Smugglers Bay, Galleon Cove, Doubloon Bay — each carry their own depth and exposure character, and the city has dredged several of the interior basins in recent years. Per-cove depth tables aren't published; on any serious purchase I get a current survey and, for larger vessels, a captain's assessment of the actual approach at low tide.
Everything in Port Royal exits through Gordon Pass — a federal channel authorized to 12 feet. The Army Corps awarded a ~$3 million maintenance-dredging contract in September 2025, with work commencing November 2025 and spoil placed on Keewaydin Island — meaning 2026 conditions should run near authorized depth, the best in years. Between dredge cycles the pass shoals; deeper drafts time the tide, and the current USACE survey (not the chart) is the document of record.
Inside the bay, FWC manatee rules govern: higher speeds only in the marked channels, slow/idle everywhere else. It's a modest tax on patience that Port Royal owners barely pay — the pass is effectively at the end of the street.
The rule that sizes your program: the City of Naples requires 20-foot side setbacks — and the setback envelope includes the dock, pilings, lift, and the vessel. Practical dock envelope ≈ water frontage minus 40 feet. A 150-foot canal lot and a 250-foot point lot are different yachting properties entirely, which is why frontage — not square footage — is the number I underwrite first for boating buyers.
Permits and steel: dock and lift work runs through City of Naples marine permits, with FDEP and Army Corps authorizations first where required. Seawalls are owner-maintained; SWFL replacement costs have run roughly $700–$1,200+ per linear foot for vinyl, with Port Royal-grade concrete above that — on 150+ feet of frontage, a tired seawall is a mid-six-figure line item. Post-Ian, seawall age and repair records sit at the top of the diligence stack, next to Club eligibility.
For vessels beyond the home dock: Naples Boat Club berths to roughly 110 feet; Olde Naples Seaport advertises slips for vessels into the 100-foot-plus class, some trading privately as deeded slips; Naples Yacht Club serves its members; Hamilton Harbor tops out near 60 feet. True superyachts stage out of Fort Myers, Marco, or Miami and tender in. Wet slips in Naples proper are scarce and waitlisted — if the program includes a larger vessel, secure the berth strategy alongside the house, not after it.
Bigger than almost anywhere in Naples — 70-plus-foot yachts are not uncommon, and there are no bridges between Port Royal and the Gulf. The practical limit is frontage math: the City of Naples requires 20-foot side setbacks covering the dock, pilings, lift, and the vessel itself, so usable dock envelope is roughly your water frontage minus 40 feet. A 150-foot lot supports a very different program than a 250-foot point lot — verify per property, along with depth at the dock at low tide.
The federal channel is authorized to 12 feet, and the Army Corps awarded a maintenance-dredging contract in September 2025 with work commencing that November — so 2026 conditions should be near authorized depth. Between dredge cycles the pass shoals and controlling depth drops; deeper-draft vessels time the tide. Always check the current USACE survey rather than relying on charted depth.
Minutes — five to fifteen depending on your cove, because Port Royal’s waterways sit immediately inside Gordon Pass. That is the neighborhood’s core boating advantage over mid-Naples Bay addresses, where the idle and slow-speed zones make the run to the Gulf 30–45 minutes. Note the manatee-zone rules: higher speeds only in the marked channels, slow/idle elsewhere.
City of Naples marine permits, with FDEP and Army Corps authorizations obtained first for qualifying work. Budget realistically: vinyl seawall replacement in SWFL has run roughly $700–$1,200+ per linear foot, and Port Royal-grade concrete walls exceed that. Post-Ian, seawall age and repair records are core diligence on any purchase — get a marine inspection alongside the home inspection.
Naples Boat Club (up to ~110 ft LOA, 28-ft beam) and Olde Naples Seaport (slips advertised for vessels into the 100-ft-plus range, some privately traded as deeded slips) are the in-town options; Naples Yacht Club serves members; Hamilton Harbor tops out around 60 ft. True superyachts stage in Fort Myers, Marco, or Miami. Verify current availability — wet slips in Naples proper are scarce and waitlisted.
LOA, beam, draft, lift or wet — give me the program and I'll screen Port Royal (and Aqualane) by dock envelope, depth, and approach before you ever tour. On the water, the wrong lot is unfixable; the right one is forever.
Sources: USACE Jacksonville District (Gordon Pass authorized depth and September 2025 dredging contract); City of Naples marine-permit and setback guidance; FWC Collier County manatee protection zones; FDEP dock permitting fee schedules; published SWFL seawall cost ranges; marina specifications per operator listings. Depths, rules, and costs change — verify current surveys, permits, and marina availability before relying on them.