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Seamens Bank Locations & Branches Provincetown, Massachusetts
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Seamens Bank operates 5 branches from its headquarters in Provincetown, MA, .
Seamens Bank branch network
All 5 branches are in MASSACHUSETTS, across 4 cities. Provincetown, MA has the most of its branches, 2. Its largest office by deposits is the Seamen's Bank office in Provincetown, MA, with $172.4M (42.5% of its branch deposits). It had the same number of branches on June 30, 2025.
Seamens Bank at a glance
It reports no CET1 ratio; its Tier 1 leverage ratio was 12.57% at Q2 2026, above the 9% community bank leverage ratio requirement for being considered well capitalized.
- Total assets, Q2 2026
- $478.5M
- Tier 1 leverage ratio, Q2 2026
- 12.57%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Latest call report
- Q2 2026, FFIEC 051
- Established
- 1851
Full financial profile · Is Seamens Bank safe? · Seamens Bank call report · Routing number
Deposit market share
Share of all FDIC-insured deposits held in each area, from the June 30, 2026 Summary of Deposits. Rank 1 is the largest holder. Shares are by bank charter, not by holding company.
| Area | Rank | Deposit share | Deposits |
|---|---|---|---|
| City: Provincetown, MA (2 branches) | 1 of 3 | 62.4% | $216.7M |
| State: MA (5 branches) | 81 of 112 | <0.1% | $405.4M |
Ranked by total assets among banks headquartered in the state: Largest banks in Massachusetts.
Share by county and metro area
Seamens Bank's share of FDIC-insured deposits in the counties and metro areas where it has branches, from the June 30, 2026 Summary of Deposits. Up to the ten largest of each are shown, by the bank's deposits. Rank 1 is the largest holder. Banks only: credit unions are not in the Summary of Deposits.
Counties
| County | Rank | Deposit share | Deposits | County total |
|---|---|---|---|---|
| Barnstable, MA (5 branches) | 9 of 11 | 3.4% | $405.4M | $11.78B |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| Barnstable Town, MA (5 branches) | 9 of 11 | 3.4% | $405.4M | $11.78B |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| Seamen's Bank | Provincetown, MA | 02657 | $172.4M |
| North Truro Branch | North Truro, MA | 02652 | $71.5M |
| North Eastham Branch | North Eastham, MA | 02651 | $59.3M |
| Wellfleet Branch | Wellfleet, MA | 02667 | $57.9M |
| A & P Plaza Branch | Provincetown, MA | 02657 | $44.3M |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 90268) · FFIEC NIC profile (RSSD 418100)