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Thunderbolt Marina deepwater docks, yacht slips, and marina basin on the Wilmington River
ICW Mile 583 • Marker 35 • Wilmington River

Stay at Thunderbolt Marina

Thunderbolt Marina is conveniently located just outside Savannah on the Wilmington River in historic Thunderbolt, Georgia (ICW Marker #35, Mile #583). No height restrictions approaching from Wassaw Sound, accommodating drafts up to 15 feet.

Daily Dockage Rate

$2.25/ ft / day

+ Utility charges • BoatUS discounts

Dockmaster Hours

7:00 AM – 5:30 PM

Checkout: 11:00 AM • Sign in upon arrival

Radio & Coordinates
VHF 16 / 11Marker 35

N 32° 01.467' W 081° 02.783'

After-Hours Emergency

912.629.6222

24/7 On-Site Security Guard

Wilmington River · ICW Marker #35

Premier Deepwater Slip Facilities & Policies

Approach & Draft

Located on the Wilmington River (ICW Mile 583) with no height restrictions from Wassaw Sound, accommodating vessel drafts up to 15 feet.

Shipyard Integration

Direct access to our 25-acre refit yard with haulout for vessels approaching 200 feet, Captain's Lounge, and 24/7 guarded security.

Arrival Sign-in, Repair Policy & Contractor Rules
Arrival Sign-in:

After tying up, please check in with the Dockmaster to register and receive controlled gate combination codes.

Repair Work & Contractors:

Thunderbolt Marine is a full-service repair facility. All repair requests must be initiated through the Dockmaster or your assigned Project Manager. No outside contractors are permitted on our docks except those scheduled through your TMI service representative.

Marina Amenities & Services

11 On-Site Features
Dockage

750 feet of floating dock space accommodating drafts up to 15 ft

Yard & Lift

Haulout capabilities for vessels approaching 200 feet

Power

Electric power pedestals: 30 / 50 / 100 Amp service

Fuel

High-volume Gas & Diesel fueling (taxes included; inquire for >1,000 gal)

Service

Pump-out service ($10 flat fee per black/grey tank)

Amenities

24/7 Showers, Washrooms & Coin Laundry (25-min washer / 45-min dryer)

Lounge

Captain's Lounge for relaxing, socializing, and crew retreat

Security

Safe & secure environment with controlled access gate and 24/7 security guard

Connectivity

Free Wi-Fi Internet across all docks

Radio

VHF Channel 16 / 11 monitored during office hours (7:00 AM – 5:30 PM)

Partner

BoatUS Cooperating Marina & Coastal Georgia Clean Marina Program partner

Coastal Georgia Clean Marina Program & BoatUS Cooperating Marina

Thunderbolt Marina is proud to be a designated member of the Coastal Georgia Clean Marina Program and a Boat U.S. Cooperating Marina offering member discounts.

Download 2026 Official Rate Sheet (PDF)Official rates, utilities, and dockage guidelines
Dockmaster OfficeVHF 16 / 11 Active

Arrival & VHF Channel 16

Hailing our dockmaster on VHF Channel 16 prior to entering the Wilmington River channel allows our team to confirm your slip assignment and stand by for line-handling assistance.

Navigational CoordinatesMarker 35

N 32° 01.467' W 081° 02.783'

Intracoastal Waterway Marker #35 · ICW Mile #583 · Wilmington River

Radio Calling
VHF Channel 16/11
Marina PhoneTap to dial Dockmaster
912.210.0363
Dockmaster EmailGeneral inquiries
dockmaster@thunderboltmarine.us
Continue to Dockwa Reservation System

All dockage reservations and slip assignments are managed securely through Dockwa.

Navigational Approach

Savannah River & Wassaw Sound

Thunderbolt Marina is situated along the Intracoastal Waterway at Marker #35 (Mile 583) on the Wilmington River. Cruisers entering from Wassaw Sound or the Savannah River benefit from deepwater, well-marked channels.

Approach Coordinates
N 32° 01.467' W 081° 02.783'
Intracoastal Waterway Marker #35 · VHF Channel 16/11
Captain's Arrival Planner

Estimate Running Time & Tide Windows

Pick your approach origin and cruising speed to estimate the run to ICW Marker #35, then check the live tide window for your planned arrival. Tide data is live from NOAA station Fort Pulaski, GA. This tool provides approximate planning estimates only — it does not determine safe passage or clearance for your vessel's draft.

Select waypoint
Entering from the Atlantic through Wassaw Sound, then north up the Wilmington River to Marker #35.
12knots
5 kn12 kn30 kn
Estimated Arrival at Marker #35 Live Calc
Tue 8:32 PM
Savannah Local Time (Eastern)
Running Time

38 min

Distance

7.5 nm

Tide prediction available from NOAA

NOAA Fort Pulaski Arrival Analysis

Check current water level predictions for your planned arrival window below. Confirm controlling depths with the Dockmaster.

Upcoming Tides — Fort Pulaski, GA
NOAA
Loading live NOAA tides...
Confirm depths & slip:
912.210.0363•VHF Channel 16/11
Distances are approximate planning estimates along the typical route — verify against the official NOAA chart and confirm current controlling depths with the Dockmaster. Tide predictions are official NOAA data for station Fort Pulaski, GA (8670870) and do not account for wind, weather, or real-time water level anomalies. This tool does not determine safe passage or clearance for your vessel's draft.
Captains & Cruisers Guide

Marina Arrival FAQ & Local Area Guide

Essential navigational answers, docking guidance, and curated Thunderbolt & Savannah provisions.

01

What is the controlling depth at the marina?

Thunderbolt Marina features deepwater access accommodating drafts up to 15 feet, ideal for large motor yachts and deep-draft sailing vessels. Please confirm live channel conditions with the Dockmaster upon approach via VHF 16/11.

02

How far is the marina from historic Savannah?

We are located just 10–15 minutes by taxi, rideshare, or rental car from Savannah's Historic District, renowned world-class dining, boutique shopping, and vibrant cultural landmarks.

03

Can I schedule yard service during my stay?

Yes. Our marina and 25-acre service yard operate together. You can arrange haulouts, climate-controlled paint work, mechanical overhauls, or bottom painting directly through your TMI service team during your stay.

Local Provisions & Resources

Exploring Thunderbolt & Savannah

Curated neighborhood services, provisions, local waterfront seafood, and transport within reach of ICW Marker #35.

ICW Mile 583

Provisions & Groceries

  • Publix
  • Kroger
  • Whole Foods
  • Target
  • Walmart
  • Parker's Convenience
  • Enmarket Convenience
5–10 min drive from docks

Attractions & Culture

  • Historic Savannah District
  • Enmarket Arena
  • Wormsloe Historic Site
  • Tybee Island Beaches
  • Forsyth Park
  • Thunderbolt Museum
  • Bonaventure Cemetery
Savannah coastal highlights

Frequent Destinations

  • River Supply Chandlery
  • Home Depot
  • Islands Ace Hardware
  • Bank of America
  • CVS Pharmacy
  • Walgreens Pharmacy
  • Planet Fitness
Marine parts, hardware & banking
Transportation & Car Rentals
Live Weather & Navigational Tides
Fort Pulaski Station #8670870 · 7–8 ft tide range