Seastead 12-Foot Draft Feasibility: Caribbean, Mediterranean, South Pacific

Caribbean

The Caribbean has vast deep offshore waters but shallow banks, reefs, and inter-island passages. Your seastead can "park" 1-5 miles offshore in 50-200+ ft depths almost everywhere. Shallow draft boats excel in the Bahamas/Exumas (avg. 7-15 ft), but 12 ft limits close-in anchoring/exploration there.

✅ Pros (Plenty of Areas)

Windward/Leeward Islands (Grenada to Antigua): Excellent—deep approaches to most islands. Park off St. Lucia, Martinique, or Dominica in 20-100 ft just offshore.
ABC Islands (Aruba/Bonaire/Curaçao): Deep water everywhere; minimal reefs.
Puerto Rico/Virgin Islands: Offshore from San Juan or St. Thomas—easy 50+ ft depths.
Colombia/Venezuela coasts: Continental shelf drops off quickly to deep water.

❌ Cons (Restrictions)

Bahamas/Bermuda: Highly restrictive—Thorny Path passages need 10-20 ft min; Exumas/Bank = 8-12 ft avg (risky at low tide).
Cayman Islands: Shallow platforms (10-15 ft edges).
Many reef-fringed cays: Can't tuck into 4-8 ft bays.

Practical Restrictiveness

Very Restrictive (Bahamas-like shallows) Moderately Restrictive Minimal (Open ocean/island coasts)

Scale: ~40% restrictive (avoids Bahamas 30% of region); feels like "cruising the edges" but free in trade winds.

Mediterranean (Med)

Generally deeper than Caribbean near coasts (20-100+ ft quickly offshore). Ancient harbors often dredged, but your DP setup ignores them. Reefs/shallows mainly in Greece/Croatia islands.

✅ Pros (Plenty of Areas)

Western Med (Spain/France/Italy): Balearics, Corsica—deep drop-offs; park off Barcelona or Sicily in 30+ ft.
Tyrrenian/Adriatic coasts: Italy/Croatia mainland—easy offshore in 20-50 ft.
Eastern Med (Turkey/Cyprus): Deep waters; minimal issues.
Spain/Portugal approaches: Atlantic-influenced deep shelves.

❌ Cons (Restrictions)

Greek Islands (Cyclades/Aegean): Patchy shallows (5-15 ft); need caution for passes.
Croatian island chains: Some 8-12 ft thresholds.
Balearic/Mallorca coves: Shallow tourist bays off-limits.

Sub-Region	Min Safe Depth Offshore	Notes
Balearics	20-50 ft	Great for DP parking.
Greek Islands	10-30 ft (variable)	Charts essential.
Turkey Coast	30+ ft	Very accessible.

Practical Restrictiveness

Scale: ~20-30% restrictive; feels very free—summer cruising heaven with short hops.

South Pacific

Oceanic paradise: Deep water dominates (100s of ft offshore). Lagoons via passes (often 10-20 ft), but fringing reefs common. DP shines in atolls/motu.

✅ Pros (Plenty of Areas)

Tahiti/Society Islands: Deep passes/moats; park off Papeete or Bora Bora.
Fiji: Vast deep areas; Yasawas/Vatu Vara outer reefs 20+ ft.
New Zealand/Australia coasts: Continental shelves drop deep quickly.
Marquesas/Tuamotus: Atoll exteriors unlimited depth.

❌ Cons (Restrictions)

Tuamotu atoll lagoons: Passes 10-15 ft (low tide risky).
Cook Islands (Rarotonga): Shallow reefs.
Vanuatu reefs: Some 8-12 ft bommies.

Practical Restrictiveness

Scale: ~25% restrictive; feels expansive—trade winds enable long open-water legs; shallow drafts only win in rare lagoons.

Overall Assessment

Plenty of Areas? Yes—80%+ of cruising grounds viable offshore. Avoid Bahamas-style shallows (~20% of total itinerary).
How Restrictive? Moderately so vs. 4 ft cats (can't "skinny-dip" into bays), but liberating with DP—no anchoring drama. Feels like superyacht cruising: offshore majesty, tender ashore.
Tips: Use Navionics/C-MAP apps for 12 ft contour lines. Tides (2-6 ft) matter less offshore. Weather windows key for passages.

Sources: CCC Guide, Pardeys' cruising logs, SV Delos/YouTube sailor reports, NOAA/ENC charts. Consult pros for your exact design.